{"title":"2-7\/16 Inch Kart Air Filters and Pre-Filters","description":"\u003cp\u003eAir filters and pre-filters that use a 2-7\/16 inch mounting size, common on clone kart engines. Subtypes include Walker, fabric, and air-box filters.\u003c\/p\u003e","products":[{"product_id":"afr84-4-50-x-5-2-7-16-i-d-straight-afr84","title":"Extended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart","description":"\u003cp\u003eUnlock fuller engine potential with the straight fabric air filter (SKU: AFR84), sized at 4.50\" x 5\" for a 2-7\/16\" ID. The added height draws in more air mass, supporting higher revs without strain—key for sustaining speed through long straights.\u003c\/p\u003e\u003cp\u003eAddressing common track pitfalls like debris ingestion, its dense fabric layer acts as a barrier, preserving cylinder cleanliness for consistent output. Install it and feel the difference in responsiveness during practice laps.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Efficiency:\u003c\/strong\u003e Promotes lean mixtures for economical runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTough Build:\u003c\/strong\u003e Handles moisture and heat cycles without degrading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Appeal:\u003c\/strong\u003e Works across engine displacements for broad compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePro tip: Combine with foam pre-filters in arid areas to double down on protection. This setup has helped countless drivers achieve personal bests by minimizing power dips. Simple to service, just shake and reuse, making it a smart choice for busy race weekends. Stay organized at the track with this reliable filter that keeps your kart primed for victory.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure this 2-7\/16\" ID filter fits my carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The 2-7\/16\" inner diameter is a standard size for many racing kart carburetors. Before purchasing, measure the outer diameter of your carburetor's intake bell to ensure a snug, secure fit. If the fit is loose, ensure your clamp is properly tightened to prevent air leaks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean my fabric air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Maintenance frequency depends on track conditions. For dusty or arid tracks, inspect the filter after every session. You can gently shake off loose debris or use compressed air from the inside out. For deeper cleaning, follow the manufacturer's recommendations for fabric filter oil and cleaning solutions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a pre-filter with this air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, using a foam pre-filter is highly recommended, especially in dirty track conditions. It adds an extra layer of protection against fine dust and debris, extending the life of your main filter and keeping your engine internals cleaner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this filter require oiling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Most fabric filters of this type perform best with a light application of specialized air filter oil. This helps the fabric trap microscopic particles that would otherwise pass through to the engine. Always check the specific instructions provided by Uni Filter for the best results.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr83-4-50-x-4-2-7-16-i-d-straight-afr83\"\u003eUni Filter AFR83 Straight Fabric Air Filter - 4.50\" x 4\" (2-7\/16\" ID) - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf454-foam-pre-filter-4-5-x-5-uipf454\"\u003eUni Filter AFR-83\/AFR-84 Foam Pre-Filter - 4.5\" x 5\" - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562567758142,"sku":"AFR84","price":18.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr84-4-50-x-5-2-7-16-i-d-straight-afr84.jpg?v=1763112018"},{"product_id":"r2c-pre-filter-fits-cy10505-cy10706-r2c0210a7","title":"R2C Pre-Filter Compatible with CY10505 and CY10706 Air Filters","description":"\u003cp\u003eImagine accelerating out of a hairpin without worrying about airborne debris choking your engine. The R2C Pre-Filter for CY10505 and CY10706 delivers just that peace of mind. Crafted from high-quality materials, this pre-filter fits seamlessly over your 2-7\/16 inch air filters, extending their lifespan by blocking up to 99% of larger particles before they can infiltrate.\u003c\/p\u003e\u003cp\u003eIn the heat of competition, where every second counts, maintaining optimal air intake is crucial. This pre-filter not only safeguards your engine but also promotes smoother throttle response and better fuel efficiency, translating to faster lap times. Its reusable design means less frequent replacements, saving you time and hassle during pit stops.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect fit for CY10505 and CY10706 models\u003c\/li\u003e\n\u003cli\u003eEnhances overall filtration system performance\u003c\/li\u003e\n\u003cli\u003eLightweight construction won't add unnecessary drag\u003c\/li\u003e\n\u003cli\u003eIdeal for dirt tracks and high-dust conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let a dirty filter derail your race strategy—equip your kart with this reliable R2C solution today. SKU: R2C0210A7\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install the R2C Pre-Filter on my air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Installation is simple. Ensure your air filter is clean and dry, then slide the pre-filter over the top of the filter element. Ensure it is seated snugly around the base to create a complete seal against debris.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I wash and reuse this pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the R2C pre-filter is designed for durability. You can clean it using mild soap and water, rinse it thoroughly, and allow it to air dry completely before reinstalling it on your kart.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this pre-filter restrict airflow to my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, the R2C pre-filter is engineered to trap large particles while maintaining high airflow. It is designed to protect your primary filter without causing a noticeable drop in engine performance or throttle response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean or replace the pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Cleaning frequency depends on track conditions. For dusty or dirt track racing, we recommend checking the pre-filter after every race session. If it appears heavily coated in dust, wash it to maintain optimal engine breathing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this compatible with other air filter brands?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This pre-filter is specifically designed for a direct fit on CY10505 and CY10706 models. While it may fit other 2-7\/16 inch filters, we recommend using it with the specified models to ensure a secure, performance-ready fit.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r2c-pre-filter-fits-cy11101-new-r2c0210a28\"\u003eNew R2C Pre-Filter for CY11101 Kart Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r2c-pre-filter-fits-cy10802-r2c0210a21\"\u003eR2C Pre-Filter Designed for CY10802 Kart Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R2C","offers":[{"title":"Default Title","offer_id":52562577621310,"sku":"R2C0210A7","price":16.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefiltersr2c-r2c-pre-filter-fits-cy10505-cy10706-r2c0210a7.jpg?v=1763112175"},{"product_id":"air1036-red-uni-air-filter-4-air1036","title":"4-Inch Red Uni-Filter for Kart Air Box Systems","description":"\u003cp\u003eRed-hot performance starts here with the Uni AIR1036 4-inch air filter, a staple for air box-equipped karts seeking unrestricted breathing.\u003c\/p\u003e\u003cp\u003eIts pleated design captures fine dirt particles, protecting pistons from scoring while allowing ample air for high-revving engines. This leads to punchier torque and sustained speed through long straights.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWire-backed frame prevents collapse under vacuum.\u003c\/li\u003e\n\u003cli\u003eOiled media for optimal balance of flow and capture.\u003c\/li\u003e\n\u003cli\u003eUniversal fit for various air box mounts, simplifying swaps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers organize their kits around reliable filters like this, as it cleans easily with compressed air or solvents. No more power loss from clogged intakes— keep your kart flying.\u003c\/p\u003e\u003cp\u003eSKU: AIR1036\u003c\/p\u003e\u003cp\u003eVisual appeal meets function in this vibrant red unit, signaling a serious setup to fellow competitors.\u003c\/p\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e\u003cdiv style=\"text-align: center; color: #cc0000 !important; font-size: 1.4em;\"\u003eWe did not have a High Resolution of this item, this item picture may be different, but the description and title is accurate. The first two images are AI generated. The third image is accurate, but is not high resolution. Email if you would like a more detail picture before ordering.\u003c\/div\u003e","brand":"Uni Filters","offers":[{"title":"Default Title","offer_id":52562588434750,"sku":"AIR1036","price":28.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/air1036-red-uni-air-filter-4-air1036_1.jpg?v=1773081152"},{"product_id":"afcl-replacement-air-filter-clamp-afcl","title":"Replacement Clamp for AFR Series Fabric Air Filters","description":"\u003cp\u003eDon't let a loose clamp compromise your filter— this AFCL replacement secures AFR fabric filters (80, 83, 84, 175, 177, 179) firmly.\u003c\/p\u003e\u003cp\u003eStainless steel build resists rust, holding the element in place against vibrations. Quick fix for organized pit repairs.\u003c\/p\u003e\u003cp\u003eSKU: AFCL\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which air filters is this clamp compatible with?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This AFCL replacement clamp is specifically designed to fit AFR fabric air filter models 80, 83, 84, 175, 177, and 179.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this clamp resistant to corrosion?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the clamp is constructed from high-quality stainless steel, which provides excellent resistance to rust and corrosion, even when exposed to the elements at the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it important to use a secure clamp on my karting air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A loose clamp can allow unfiltered air or debris to enter your engine, potentially causing internal damage. Additionally, a secure clamp prevents the filter from vibrating loose or falling off during high-speed racing conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this clamp on other brands of air filters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This clamp is engineered specifically for the dimensions of the AFR series fabric filters. We recommend using it only with the compatible models listed to ensure a proper, airtight seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How tight should I tighten the clamp?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Tighten the clamp until the filter is firmly secured to the intake neck and cannot be rotated by hand. Avoid overtightening, as this can damage the filter material or the intake flange.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr175-3-50-x-4-2-7-16-i-d-angled-afr175\"\u003eAngled 3.5x4 Inch Fabric Air Filter with 2-7\/16\" ID\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AFR Filters","offers":[{"title":"Default Title","offer_id":52562607472958,"sku":"AFCL","price":3.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afcl-replacement-air-filter-clamp-afcl.jpg?v=1763112712"},{"product_id":"uipf8y-foam-pre-filter-3-5-x-8-yellow-8-inch-uipf8y","title":"Yellow 8-Inch Foam Pre-Filter 3.5\" x 8\" for Kart Filter Customization","description":"\u003cp\u003eBright yellow alerts you to this versatile 3.5\" x 8\" foam pre-filter (SKU: UIPF8Y), designed for all 3.5\" filters with cut-to-fit flexibility. It wraps around AFR-177 and AFR-179 fully, or shortens for others, providing tailored defense against track elements.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEye-Catching Design:\u003c\/strong\u003e Yellow aids in quick visual checks during frantic pit stops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdaptive Length:\u003c\/b\u003e Snip to precise size for zero waste and perfect seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Impact Guard:\u003c\/strong\u003e Foam density catches particles that could otherwise drag speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCustomize your intake strategy with this— it keeps air pure, supporting aggressive cornering without power fade. Yellow hue organizes color-coded kits for team efficiency. Proven in endurance races, it holds form under stress, ensuring you finish strong.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install this foam pre-filter on my kart air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Simply slide the foam sleeve over your existing 3.5-inch diameter air filter. Ensure it is seated evenly to provide full coverage. If your filter is shorter than 8 inches, you can trim the foam to the desired length for a custom, secure fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this pre-filter on filters other than the AFR-177 or AFR-179?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this pre-filter is designed for versatility. While it is a perfect fit for the AFR-177 and AFR-179, its 3.5-inch diameter and cut-to-fit length make it compatible with most 3.5-inch kart air filters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the bright yellow color beneficial for racing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The high-visibility yellow color allows for rapid visual inspections during pit stops. It also helps teams organize their intake setups by color-coding different filter configurations for specific track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a pre-filter help maintain engine performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The foam density acts as a first line of defense, catching dust, track debris, and larger particles before they reach your primary air filter. This prevents premature clogging, maintains optimal airflow, and helps avoid power fade during long endurance races.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I clean or maintain this foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Periodically remove the pre-filter and wash it with a mild detergent and water to remove accumulated dust and track grime. Ensure it is completely dry before reinstalling it on your air filter.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk\"\u003eBlack 8-Inch Foam Pre-Filter 3.5\" x 8\" for 3.5\" Diameter Kart Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8\"\u003eBlue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562613698878,"sku":"UIPF8Y","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-uipf8y-foam-pre-filter-3-5-x-8-yellow-8-inch-uipf8y.jpg?v=1763112835"},{"product_id":"uipf-hq-red-high-quality-foam-pre-filter-3-5-x-5-uipf-hq","title":"Uni Filter 01-1154 Red Foam Pre-Filter - 3.5\" x 5\" - All Classes","description":"\u003cp\u003eIntegrating \u003cstrong\u003enew parts\u003c\/strong\u003e into your intake system requires uncompromising filtration to prevent microscopic track dust from scoring cylinder walls. The Uni Filter 3.5\" x 5\" Red Foam Pre-Filter acts as the ultimate first line of defense for high-RPM powerplants, capturing heavy particulate matter before it ever reaches the primary element. Engineered from dense, open-cell polyurethane foam, this pre-filter wrap maximizes dirt-holding capacity without strangling volumetric efficiency. Whether you are running on a dusty dirt oval or a debris-heavy sprint track, maintaining optimal airflow is critical to preserving peak horsepower and preventing premature wear.\u003c\/p\u003e\n\n\u003ch2\u003eAdvanced Filtration for Racing Engines\u003c\/h2\u003e\n\u003cp\u003eIn the high-stakes environment of competitive karting, \u003cstrong\u003eracing engines\u003c\/strong\u003e demand pristine air to maintain stoichiometric balance. Even a minor influx of silica or track rubber can compromise piston rings and valve seats. By deploying this dense red foam pre-filter over your main intake element, you effectively double your filtration stages. The 3.5-inch by 5-inch dimensions provide a snug, compressive fit over standard pod filters, ensuring zero bypass. This wrap traps the larger, abrasive particles, allowing your primary filter to focus entirely on microscopic fines. The result is sustained throttle response and a drastic reduction in mid-race power degradation.\u003c\/p\u003e\n\n\u003ch2\u003eProtecting Carburetor Gaskets and Internals\u003c\/h2\u003e\n\u003cp\u003eAbrasive dust doesn't just hurt the cylinder; it wreaks havoc on the entire fuel delivery system. Fine grit that bypasses inadequate filters can lodge in the venturi, accelerating wear on delicate \u003cstrong\u003ecarburetor gaskets\u003c\/strong\u003e and throttle shafts. By stopping dirt at the outer boundary, this Uni Filter pre-filter ensures that your carb internals remain spotless. Furthermore, keeping the intake tract clean reduces the risk of blow-by contaminants mixing with your oil, which ultimately protects your \u003cstrong\u003eengine gaskets\u003c\/strong\u003e and bottom-end bearings from abrasive sludge.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-Cell Polyurethane Foam:\u003c\/strong\u003e Maximizes dirt-trapping efficiency while maintaining high CFM flow rates for zero horsepower loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.5\" x 5\" Compressive Fit:\u003c\/strong\u003e Designed to stretch and conform tightly over standard cylindrical and tapered pod filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibrant Red Dye:\u003c\/strong\u003e Provides immediate visual feedback on dirt accumulation, taking the guesswork out of maintenance intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Reusable:\u003c\/strong\u003e Easily cleaned with standard foam filter solvents and re-oiled for multiple race weekends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Primary Filter Life:\u003c\/strong\u003e Captures heavy debris first, significantly reducing the service frequency of your expensive main filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Bypass Design:\u003c\/strong\u003e The elastic nature of the foam ensures a tight seal against the base, preventing unfiltered air leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Condition Performance:\u003c\/strong\u003e Proven effectiveness in both dry, dusty dirt tracks and rubber-marbled asphalt circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStop sacrificing engine longevity for airflow. Equip your intake with this professional-grade pre-filter and keep your powerplant running at the absolute limit. \u003cem\u003e(And if you're building a new chassis from the ground up, be sure to check out our latest \u003cstrong\u003ego kart frame for sale\u003c\/strong\u003e to complete your winning package.)\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install the Uni Filter 3.5\" x 5\" pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Simply slide the foam pre-filter over your existing 3.5-inch diameter pod air filter. The elastic, open-cell foam is designed to stretch and provide a snug, compressive fit that seals against the base of the filter to prevent any bypass.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean my foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Maintenance intervals depend on track conditions. On dusty dirt ovals, you should inspect the filter after every heat race. If the red foam appears heavily coated in debris, wash it with a dedicated foam filter cleaner, let it air dry, and re-oil it before your next session.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pre-filter restrict airflow to my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The pre-filter is engineered from high-porosity, open-cell polyurethane foam. It is designed to capture large particulate matter while maintaining high CFM flow rates, ensuring your engine receives the air it needs for peak horsepower.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this on any 3.5-inch air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, this is a universal pre-filter designed for any cylindrical or tapered pod filter with a 3.5-inch diameter. It is an excellent way to extend the life of your primary filter regardless of the engine class you are running.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk\"\u003eBlack 8-Inch Foam Pre-Filter 3.5\" x 8\" for 3.5\" Diameter Kart Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8\"\u003eBlue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562614649150,"sku":"UIPF-HQ","price":7.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-uipf-hq-red-high-quality-foam-pre-filter-3-5-x-5-uipf-hq.jpg?v=1763112854"},{"product_id":"uipf454-foam-pre-filter-4-5-x-5-uipf454","title":"Uni Filter AFR-83\/AFR-84 Foam Pre-Filter - 4.5\" x 5\" - Universal Karting","description":"\u003ch2\u003eMaximizing Airflow for Engine and Components\u003c\/h2\u003e\n\u003cp\u003ePreventing surface loading on your primary intake element is critical for sustained horsepower, which is why professional racers evaluating go karts for sale always prioritize the Uni Filter 4.5\" x 5\" Foam Pre-Filter (MPN: UIPF454). Designed specifically to slide over AFR-83 and AFR-84 main filters, this open-cell polyurethane foam sleeve catches heavy debris, rubber marbles, and dust before they can pack into your primary element. By preventing surface loading on the main filter, this pre-filter ensures your engine maintains optimal volumetric efficiency and sustained horsepower from the green flag to the final lap. In competitive karting, maintaining a consistent air-fuel ratio is paramount, and this pre-filter guarantees your intake remains unrestricted even in the dirtiest drafting battles.\u003c\/p\u003e\n\u003ch2\u003eSeamless Integration with Your Setup\u003c\/h2\u003e\n\u003cp\u003eKarting requires meticulous attention to detail, from your parts tire selection to the exact mounting angle of your chain guards. The UIPF454 integrates flawlessly into your intake tract without disrupting airflow dynamics or causing clearance issues with surrounding hardware. Its precise 4.5\" x 5\" dimensions provide a snug, gap-free fit over the primary filter, completely eliminating bypass leaks that could introduce catastrophic particulate matter into the combustion chamber. During intense practice sessions or multi-heat race days, the ability to quickly pull, rinse, and re-oil this pre-filter means less downtime in the pits and more time perfecting your braking zones. You can focus entirely on your racing lines knowing your powerplant is heavily shielded.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Compatibility:\u003c\/strong\u003e Precision-engineered to hug AFR-83 and AFR-84 main filters without gaps, slipping, or sagging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-Cell Polyurethane:\u003c\/strong\u003e Advanced foam structure traps maximum dirt while maintaining high CFM airflow for peak performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Pit Maintenance:\u003c\/strong\u003e Easily removable for quick mid-day cleaning, drastically preserving the main filter's lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefensive Shielding:\u003c\/strong\u003e Deflects larger track debris, tire rubber, and dirt clods effectively before they reach the pleated element.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Protection:\u003c\/strong\u003e A highly affordable and reusable safeguard for your expensive engine and components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Track Application:\u003c\/strong\u003e Performs flawlessly across all environments, from smooth asphalt sprint tracks to dusty dirt ovals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable and Reusable:\u003c\/strong\u003e Designed to withstand repeated cycles of heavy-duty foam filter cleaner and sticky filter oiling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon't let a clogged intake choke your top-end speed or compromise your engine's internal bearings. By utilizing a dedicated two-stage filtration approach with this pre-filter, you maintain the precise tuning required for podium finishes. This simple yet highly effective foam sleeve is an absolute necessity for any serious racer's trailer, ensuring your motor breathes clean, unrestricted air all weekend long.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which air filters is this pre-filter designed to fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The UIPF454 is precision-engineered to fit the Uni Filter AFR-83 and AFR-84 main air filters. Its 4.5\" x 5\" dimensions ensure a snug, gap-free fit for these specific models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use a pre-filter instead of just the main air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A pre-filter acts as a first line of defense, catching large debris, rubber marbles, and dust. This prevents \"surface loading\" on your primary filter, which keeps your engine's airflow consistent and maintains peak horsepower throughout the entire race day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean and maintain the foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This pre-filter is washable and reusable. Simply remove it from the main filter, clean it with a dedicated foam filter cleaner, let it dry, and re-oil it with high-quality foam filter oil before reinstalling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this pre-filter restrict my engine's airflow?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The open-cell polyurethane foam structure is designed to trap particulate matter while maintaining high CFM airflow, ensuring your engine breathes freely even in dusty or dirty track conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this on both dirt and asphalt tracks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. This pre-filter is highly versatile and performs effectively in all karting environments, from high-grip asphalt sprint tracks to dusty dirt ovals.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr84-4-50-x-5-2-7-16-i-d-straight-afr84\"\u003eExtended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr83-4-50-x-4-2-7-16-i-d-straight-afr83\"\u003eUni Filter AFR83 Straight Fabric Air Filter - 4.50\" x 4\" (2-7\/16\" ID) - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562616910142,"sku":"UIPF454","price":7.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-uipf454-foam-pre-filter-4-5-x-5-uipf454.jpg?v=1763112903"},{"product_id":"uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8","title":"Blue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Cuttable:\u003c\/strong\u003e Trim the 3.5\" x 8\" blue foam pre-filter (SKU: UIPF8) to match AFR-175 or AFR-80 needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrimary Pairing:\u003c\/b\u003e Snaps onto AFR-177 and AFR-179 for full-length coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-Coded Ease:\u003c\/strong\u003e Blue stands out for quick pit identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAdaptability shines here—tailor it on-site to fit your exact filter stack, ensuring no air leaks that could sap power. This pre-filter's length handles high-volume intakes, keeping debris at bay for cleaner burns and sharper turns.\u003c\/p\u003e\u003cp\u003eVersatile for different race formats, it organizes your spares kit efficiently. Users love how it extends main filter intervals, freeing time for tweaks. In variable weather, its foam holds up, maintaining flow for reliable laps.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this pre-filter on air filters other than the AFR-177 or AFR-179?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The UIPF8 is designed to be custom cuttable. You can trim the 3.5\" x 8\" foam to fit various filter sizes, such as the AFR-80, ensuring a snug fit that prevents air leaks and protects your engine from debris.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use a foam pre-filter on my racing kart?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A pre-filter acts as the first line of defense against track dust, dirt, and debris. By catching larger particles before they reach your main fabric air filter, it extends the service life of your primary filter and maintains consistent airflow for better engine performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean and maintain this foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The foam is durable and designed for the rigors of racing. You can typically clean it using a mild soap and water solution. Ensure it is completely dry before re-installing it over your air filter to maintain optimal engine breathing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the blue color serve a purpose other than aesthetics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the bright blue color is specifically chosen for quick pit identification. It allows mechanics and drivers to instantly verify that the pre-filter is in place and properly seated during high-pressure race conditions.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk\"\u003eBlack 8-Inch Foam Pre-Filter 3.5\" x 8\" for 3.5\" Diameter Kart Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8y-foam-pre-filter-3-5-x-8-yellow-8-inch-uipf8y\"\u003eYellow 8-Inch Foam Pre-Filter 3.5\" x 8\" for Kart Filter Customization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562617008446,"sku":"UIPF8","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8.jpg?v=1763112906"},{"product_id":"uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk","title":"Black 8-Inch Foam Pre-Filter 3.5\" x 8\" for 3.5\" Diameter Kart Filters","description":"\u003cp\u003eStealthy black finish on this 3.5\" x 8\" foam pre-filter (SKU: UIPF8BK) blends with any kart aesthetic while fitting 3.5\" diameters universally. Cut it down as needed for custom protection that doesn't hinder airflow.\u003c\/p\u003e\u003cp\u003eEssential for maintaining edge in crowded fields, it filters out the rough stuff, letting your engine focus on speed. Black color resists showing dirt, keeping your setup looking sharp at inspections.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eUniversal Sizing:\u003c\/b\u003e Works across AFR-177, AFR-179, and more with simple trimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Foam:\u003c\/strong\u003e Absorbs shocks from rough terrain without compressing flat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePit-Friendly:\u003c\/b\u003e Lightweight for easy transport in gear bags.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStreamline your race prep by stocking these— they adapt to evolving setups, ensuring organized, efficient filtration every time.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I install this foam pre-filter on my kart air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Simply slide the foam pre-filter over your existing 3.5\" diameter air filter. The flexible foam material is designed to stretch slightly for a snug fit, ensuring no debris bypasses the filter element.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I trim this pre-filter to fit shorter air filters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. This 8-inch pre-filter is designed to be cut to length. You can easily trim it with a sharp pair of scissors to match the specific length of your air filter, allowing for a custom, clean look.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I use a pre-filter instead of just the main air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A pre-filter acts as the first line of defense against dust, dirt, and track debris. By catching the \"rough stuff\" before it reaches your main filter, it extends the life of your primary filter and maintains optimal airflow for consistent engine performance throughout the race day.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean the foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The foam can be cleaned by gently washing it with mild soap and water. Ensure it is completely dry before reinstalling it on your air filter to prevent moisture from entering the engine intake.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8\"\u003eBlue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8y-foam-pre-filter-3-5-x-8-yellow-8-inch-uipf8y\"\u003eYellow 8-Inch Foam Pre-Filter 3.5\" x 8\" for Kart Filter Customization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562617073982,"sku":"UIPF8BK","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk.jpg?v=1763112908"},{"product_id":"uipf110-foam-pre-filter-3-x-5-uipf110","title":"3 x 5 Inch Foam Pre-Filter for AFR-100 and AFR-110","description":"\u003cul\u003e\n\u003cli\u003eCustom fit for AFR-100 and AFR-110 bases.\u003c\/li\u003e\n\u003cli\u003eHigh-density foam captures coarse particles.\u003c\/li\u003e\n\u003cli\u003eWashable for repeated use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLayer this pre-filter over your primary to shield against track grit, maintaining airflow for steady acceleration. It's the unsung hero in dirty environments, keeping engines clean inside.\u003c\/p\u003e\u003cp\u003eEasy to install and remove, it organizes your filtration stack without tools. Racers in off-road karts rely on it for longevity.\u003c\/p\u003e\u003cp\u003eSKU: UIPF110\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary purpose of the UIPF110 foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This pre-filter acts as a first line of defense for your air filter. It captures coarse particles, dust, and track grit before they reach your primary filter, which helps maintain consistent airflow and extends the life of your engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this pre-filter compatible with all Uni Filter models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this specific pre-filter is custom-fit for the AFR-100 and AFR-110 filter bases. Please ensure you are using one of these compatible models for a proper fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean and maintain the foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The pre-filter is fully washable. Simply remove it from your primary filter, wash it with a mild detergent or specialized foam filter cleaner, rinse thoroughly, and allow it to air dry completely before reinstalling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need any tools to install this pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No tools are required. The pre-filter is designed for easy, tool-free installation and removal, allowing you to quickly service your filtration stack at the track.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I oil this pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While it can be used dry in some conditions, applying a light coat of high-quality foam air filter oil is recommended for maximum dust-trapping efficiency, especially in extremely dry or dusty off-road racing environments.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr110-animal-filter-3-x-5-1-25-i-d-afr110\"\u003e3 x 5 Inch Animal Air Filter with 1.25 ID Inlet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr100-animal-filter-3-x-4-1-25-i-d-afr100\"\u003e3 x 4 Inch Animal Air Filter with 1.25 ID\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr1100-3-25-x-4-1-25-i-d-angled-afr1100\"\u003e3.25 x 4 Inch Angled Air Filter with 1.25 ID\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562625003838,"sku":"UIPF110","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersforbriggsanimal-uipf110-foam-pre-filter-3-x-5-uipf110.jpg?v=1763113099"},{"product_id":"walker-high-performance-air-filter-wcf","title":"Walker Performance WCF High-Performance Foam Air Filter - 2-7\/16\" Inlet - Clone \/ Predator","description":"\u003cp\u003eWhen you are pushing modified engines to the absolute limit in competitive go karts, clean airflow is the critical barrier between sustained peak horsepower and catastrophic cylinder scoring. The Walker Performance WCF High-Performance Foam Air Filter is engineered specifically for 2-7\/16\" inlet applications, delivering an uncompromising balance of maximum volumetric efficiency and severe-duty particulate filtration. Unlike standard paper elements that choke under heavy dust loads, this oiled foam matrix captures microscopic track debris without restricting the critical breathability required for high-RPM clone and Predator engine setups.\u003c\/p\u003e\u003ch2\u003eUnmatched Reliability for Serious Racing\u003c\/h2\u003e\u003cp\u003eDurability dictates the podium. In grueling dirt track environments, abrasive wear is the enemy of compression. By safeguarding your engine's internals with Walker's multi-layered foam technology, you preserve optimal air pressure and throttle response through a full 20-lap feature. A reliable intake system means less time wrenching in the pits and more time dialing in your chassis setup. Whether you are tuning your go kart torque converter for faster corner exits or bleeding your master cylinder brake parts for deeper corner entry, your engine's reliability should never be the weak link.\u003c\/p\u003e\u003ch2\u003eStreamlined Maintenance \u0026amp; Performance\u003c\/h2\u003e\u003cp\u003eProfessional karting demands organized, cost-effective maintenance routines. This washable and reusable filter arrives pre-oiled, eliminating pit-side mess and ensuring you are race-ready out of the box. When paired with proper carburetor gaskets, the Walker WCF filter guarantees a sealed, leak-free intake tract that maintains consistent EGTs and prevents lean-out conditions. It is the ultimate insurance policy for your racing program. Don't let a clogged intake ruin your weekend; invest in filtration that works as hard as you do. Upgrading your air filter is just as crucial as any chassis adjustment to keep your powerplant breathing freely and reliably.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-7\/16\" Precision Inlet:\u003c\/strong\u003e Engineered for a flawless, slip-free fit on clone and Predator engine velocity stacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Stage Foam Media:\u003c\/strong\u003e Traps ultra-fine dust and track debris without sacrificing high-RPM airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Oiled Construction:\u003c\/strong\u003e Arrives fully treated and ready to install for immediate track-day deployment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Reusable:\u003c\/strong\u003e Designed to withstand harsh chemical cleaners for a cost-effective, long-term filtration solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Throttle Response:\u003c\/strong\u003e Promotes up to 10% better airflow efficiency for aggressive acceleration out of hairpins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere-Duty Protection:\u003c\/strong\u003e Extends cylinder and piston ring life by preventing abrasive wear in extreme dirt and asphalt environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibrant Red Finish:\u003c\/strong\u003e Provides quick visual confirmation of filter condition and adds a professional aesthetic to your engine package.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walker Performance","offers":[{"title":"Default Title","offer_id":52562628280638,"sku":"WCF","price":61.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfilterwalker-walker-high-performance-air-filter-wcf.jpg?v=1763113179"},{"product_id":"afr179-3-50-x-8-2-7-16-i-d-angled-afr179","title":"High-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts","description":"\u003cp\u003eWhy settle for ordinary intake when you can dominate turns with unrestricted power? The angled fabric air filter (SKU: AFR179) at 3.50\" x 8\" with 2-7\/16\" ID redefines engine breathing for kart racers. Its extended length captures more air, translating to smoother revs and faster acceleration out of corners.\u003c\/p\u003e\u003cp\u003eConsider the advantages in real track scenarios: dusty ovals or tight circuits where clean air is crucial. This filter's robust fabric traps contaminants without clogging, ensuring consistent performance lap after lap.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Design:\u003c\/b\u003e Angled shape aligns perfectly with intake manifolds, reducing turbulence for efficient combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurability Tested:\u003c\/b\u003e Withstands vibrations and heat, maintaining shape under prolonged high-RPM use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Fit:\u003c\/b\u003e Compatible with popular kart engine brands, simplifying upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacers who switch to this model often shave seconds off their times by improving air-fuel mixtures. Maintenance is straightforward—rinse and dry to restore flow. For those pushing limits in senior classes, it's a game-changer that keeps engines running cooler and stronger. Avoid power loss from poor filtration; this filter is your ticket to podium finishes.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 2-7\/16\" ID filter fits my kart engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This filter is designed for standard karting intake manifolds with a 2-7\/16\" outer diameter. Please measure your carburetor or intake adapter diameter before purchasing to ensure a secure, airtight fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose an angled filter over a straight one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The angled design is specifically engineered to provide clearance in tight engine bays, helping to align the filter with the intake path to reduce turbulence and improve airflow efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I clean and maintain this fabric air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maintain peak performance, gently rinse the filter with a mild cleaning solution, allow it to air dry completely, and ensure it is free of debris before re-installation. Avoid using high-pressure air, which can damage the fabric media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a pre-filter with this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, using a foam pre-filter is highly recommended, especially for dusty track conditions. It adds an extra layer of protection against fine particles, extending the life of your main filter and keeping your engine internals clean.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr84-4-50-x-5-2-7-16-i-d-straight-afr84\"\u003eExtended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8\"\u003eBlue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8bk-foam-pre-filter-3-5-x-8-black-8-inch-uipf8bk\"\u003eBlack 8-Inch Foam Pre-Filter 3.5\" x 8\" for 3.5\" Diameter Kart Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562636702014,"sku":"AFR179","price":16.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr179-3-50-x-8-2-7-16-i-d-angled-afr179.jpg?v=1763113365"},{"product_id":"r2c-pre-filter-fits-cy10802-r2c0210a21","title":"R2C Pre-Filter Designed for CY10802 Kart Air Filter","description":"\u003cul\u003e\n\u003cli\u003ePrecision-engineered fit for CY10802 air filters\u003c\/li\u003e\n\u003cli\u003eSuperior dust and dirt repulsion for cleaner engine operation\u003c\/li\u003e\n\u003cli\u003e2-7\/16 inch diameter suits standard kart setups\u003c\/li\u003e\n\u003cli\u003ePromotes consistent RPMs by preventing airflow restrictions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRacing karts demand unforgiving precision, and nothing disrupts that like a clogged air system. Enter the R2C Pre-Filter, a game-changer for CY10802 users. It acts as your first line of defense, capturing particles that could otherwise compromise combustion efficiency and throttle sharpness.\u003c\/p\u003e\u003cp\u003eTrack testing shows that equipped karts maintain higher average speeds through better sustained power delivery. Easy to clean and reinstall, this pre-filter integrates into your routine without complicating maintenance schedules. For those chasing podium finishes, it's an indispensable upgrade that keeps your focus on the apex, not the airbox.\u003c\/p\u003e\u003cp\u003eSKU: R2C0210A21\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this pre-filter compatible with other air filters besides the CY10802?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This specific pre-filter is precision-engineered for the CY10802 air filter. For optimal performance and a secure fit, we recommend using it only with the intended model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does a pre-filter improve my kart's performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By capturing larger dust and debris particles before they reach your main air filter, the pre-filter prevents airflow restrictions. This ensures your engine receives consistent, clean air, which helps maintain stable RPMs and throttle response throughout your race.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I clean the R2C Pre-Filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The pre-filter is designed for easy maintenance. You can typically clean it by gently tapping off loose debris or using low-pressure compressed air. For deeper cleaning, follow the manufacturer's guidelines for washing to ensure the material remains effective.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this pre-filter require any special tools for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No special tools are required. The pre-filter is designed for a snug, straightforward fit over your existing CY10802 air filter, allowing for quick installation and removal during your trackside maintenance routine.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r2c-pre-filter-fits-cy11101-new-r2c0210a28\"\u003eNew R2C Pre-Filter for CY11101 Kart Air Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/r2c-pre-filter-fits-cy10505-cy10706-r2c0210a7\"\u003eR2C Pre-Filter Compatible with CY10505 and CY10706 Air Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R2C","offers":[{"title":"Default Title","offer_id":52562639651134,"sku":"R2C0210A21","price":10.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefiltersr2c-r2c-pre-filter-fits-cy10802-r2c0210a21.jpg?v=1763113426"},{"product_id":"afr177-3-50-x-6-2-7-16-i-d-angled-afr177","title":"Angled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines","description":"\u003cp\u003eEngineered for precision in high-speed kart racing, this angled fabric air filter (SKU: AFR177) delivers superior airflow dynamics tailored to 2-7\/16\" inner diameter setups. Its 3.50\" x 6\" dimensions provide an angled design that fits seamlessly into tight engine compartments, allowing unrestricted intake for maximum horsepower output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Filtration:\u003c\/strong\u003e Captures fine particles to protect internal components from wear, extending engine life during intense races.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Boost:\u003c\/strong\u003e The fabric construction promotes smooth air entry, reducing restrictions and enabling quicker throttle response for better lap times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Slides effortlessly onto standard carburetor necks, minimizing setup time at the pit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the heat of competition, where every second counts, this filter safeguards your engine's health while optimizing fuel efficiency. Racers report noticeable improvements in acceleration on straightaways, thanks to its low-resistance media. Whether you're tuning for local tracks or national events, integrating this angled filter ensures your kart stays ahead of the pack. Pair it with pre-filters for dusty conditions to maintain consistent power delivery. Don't let contaminants slow you down—equip your machine with this essential upgrade for reliable, race-ready performance.\u003c\/p\u003e\u003cp\u003eVersatile for various two-stroke and four-stroke applications, it withstands the rigors of track abuse without compromising integrity. Clean it regularly with compressed air to sustain peak efficiency, keeping your setup race-fresh race after race.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I ensure this filter fits my kart engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This filter is designed for a 2-7\/16\" inner diameter (ID) carburetor neck. Please measure your carburetor intake diameter before purchasing to ensure a secure, airtight fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose an angled filter over a straight one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The angled design is specifically engineered for tight engine compartments where space is limited. It allows for better clearance and positioning, preventing the filter from kinking or hitting chassis components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I maintain this fabric air filter for maximum performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maintain peak airflow, clean the filter regularly using compressed air to blow out dust and debris. For heavy track use, we recommend pairing it with a foam pre-filter to extend the life of the main element.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this filter in dusty track conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, but we highly recommend using a foam pre-filter. The pre-filter captures larger particles, preventing the main fabric element from clogging and ensuring consistent power delivery throughout your race.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr84-4-50-x-5-2-7-16-i-d-straight-afr84\"\u003eExtended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr83-4-50-x-4-2-7-16-i-d-straight-afr83\"\u003eUni Filter AFR83 Straight Fabric Air Filter - 4.50\" x 4\" (2-7\/16\" ID) - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/uipf8-foam-pre-filter-3-5-x-8-blue-8-inch-uipf8\"\u003eBlue 8-Inch Foam Pre-Filter 3.5\" x 8\" for AFR-177 and AFR-179\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562646499646,"sku":"AFR177","price":15.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr177-3-50-x-6-2-7-16-i-d-angled-afr177.jpg?v=1763113557"},{"product_id":"afr83-4-50-x-4-2-7-16-i-d-straight-afr83","title":"Uni Filter AFR83 Straight Fabric Air Filter - 4.50\" x 4\" (2-7\/16\" ID) - Universal Karting","description":"\u003cp\u003eSourcing high-quality new kart parts is the critical first step in preventing catastrophic engine failure on the track. The Uni Filter AFR83 Straight Fabric Air Filter is engineered specifically for racers who demand uncompromised airflow and bulletproof reliability. Measuring 4.50\" x 4\" with a precise 2-7\/16\" ID, this fabric filter is designed to withstand the brutal vibrations and debris-heavy environments of competitive sprint and dirt oval racing. Clean air is the lifeblood of your engine, and this filter ensures that microscopic dust and track debris never compromise your cylinder walls or carburetor jetting.\u003c\/p\u003e\u003ch2\u003eEssential Parts For Go Karts Near Me\u003c\/h2\u003e\u003cp\u003eWhether you are upgrading a backyard ripper or tuning a national-level chassis, finding reliable components is critical. The AFR83 utilizes a heavy-duty fabric media that resists tearing and degradation, even when subjected to fuel blowback or harsh cleaning solvents. This durability translates directly to fewer DNFs and consistent horsepower from the green flag to the checkered.\u003c\/p\u003e\u003ch2\u003eIntegrating with Frame Go Kart For Sale Builds\u003c\/h2\u003e\u003cp\u003eIf you are piecing together a custom build or restoring a chassis, intake clearance is always a factor. The straight-profile design of the AFR83 ensures it fits perfectly within the tight confines of modern engine mounts. It provides maximum surface area for air ingress without interfering with your seat struts or chain guard, making it a staple for any serious engine builder.\u003c\/p\u003e\u003ch2\u003eClearance for Steering Components\u003c\/h2\u003e\u003cp\u003eA common issue with oversized filters is interference with the tie rods or pitman arm. The compact 4.50\" outer diameter of this Uni Filter guarantees ample clearance for your steering components, allowing full lock-to-lock movement without rubbing or binding during high-G cornering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Fabric Media:\u003c\/strong\u003e Maximizes air ingress for explosive acceleration and optimal air\/fuel ratios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-Resistant Construction:\u003c\/strong\u003e Built to endure heavy impacts, dirt clods, and extreme track vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-7\/16\" ID Flange:\u003c\/strong\u003e Provides a secure, leak-free seal on standard karting carburetor adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Profile Design:\u003c\/strong\u003e Optimizes spatial efficiency to prevent interference with chassis tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Reusable:\u003c\/strong\u003e Easily cleaned with standard solvents, significantly extending service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Ideal for 4-cycle clone engines, Briggs LO206, and modified predator setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Engine Protection:\u003c\/strong\u003e Traps fine silt and pollen before it can score your piston or valves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the AFR83 will fit my carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The AFR83 features a 2-7\/16\" ID flange. This is a standard size for many karting carburetor adapters used on 4-cycle clone engines and Briggs LO206 setups. Always measure your current intake adapter outer diameter to ensure a secure, leak-free fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this filter washable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the Uni Filter AFR83 is designed to be washable and reusable. You can clean the fabric media with standard air filter cleaning solvents to remove dust and debris, which helps maintain optimal airflow and extends the life of the filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will the straight profile of this filter interfere with my steering?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The AFR83 is designed with a compact 4.50\" outer diameter specifically to provide clearance for steering components like tie rods and pitman arms. Its straight profile is intended to fit within tight chassis spaces without binding during high-G cornering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I use a pre-filter with this air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e While the fabric media is highly durable, using a foam pre-filter is highly recommended for dirt oval racing or dusty track conditions. It adds an extra layer of protection against fine silt and extends the service interval of your main filter.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr84-4-50-x-5-2-7-16-i-d-straight-afr84\"\u003eExtended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr80-3-50-x-4-2-7-16-i-d-straight-afr80\"\u003eStraight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562682773822,"sku":"AFR83","price":14.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr83-4-50-x-4-2-7-16-i-d-straight-afr83.jpg?v=1763114273"},{"product_id":"afr80-3-50-x-4-2-7-16-i-d-straight-afr80","title":"Straight Fabric Air Filter 3.50\" x 4\" 2-7\/16\" ID for Kart Racing","description":"\u003cp\u003eCompact yet powerful, this straight fabric air filter (SKU: AFR80) measures 3.50\" x 4\" with a 2-7\/16\" ID, perfect for kart engines craving straightforward air delivery. In tight chassis designs, its shorter profile prevents interference while ensuring vital oxygen reaches cylinders unimpeded.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined Flow:\u003c\/strong\u003e Straight configuration minimizes drag, promoting even distribution for optimal torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Defense:\u003c\/strong\u003e Filters out sand and grit common on dirt tracks, safeguarding pistons and valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Swap:\u003c\/strong\u003e Designed for fast changes between heats, keeping you in the race.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrack veterans know that small components like this can make or break a season. By maintaining clear airways, it helps sustain high RPMs without hesitation, directly impacting your ability to pull ahead on straights. Easy to clean with mild soap, it retains effectiveness over multiple sessions. For junior racers building skills or pros fine-tuning setups, this filter offers dependable performance without complexity.\u003c\/p\u003e\u003cp\u003eIntegrate it into your maintenance routine to notice sharper handling and reduced downtime from clogs.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this 2-7\/16\" ID filter will fit my carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This filter is designed for standard karting carburetors with a 2-7\/16\" outer diameter intake. Always measure your carburetor's intake neck before purchasing to ensure a secure, airtight fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean my Uni Filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For optimal performance, especially on dirt tracks, inspect your filter after every race day. If you notice dust or grit buildup, wash it gently with mild soap and water, let it air dry completely, and re-oil if necessary before your next session.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose a straight filter over an angled one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Straight filters like the AFR80 are ideal for chassis setups where space is limited or where the carburetor intake is positioned to allow for a direct, unobstructed airflow path. They help minimize intake drag for consistent throttle response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a pre-filter with this air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, using a foam pre-filter is highly recommended for dirt track racing. It acts as a first line of defense against larger debris, extending the life of your main fabric filter and keeping your engine breathing clean air longer.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr84-4-50-x-5-2-7-16-i-d-straight-afr84\"\u003eExtended Straight Fabric Air Filter 4.50\" x 5\" 2-7\/16\" ID Kart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr83-4-50-x-4-2-7-16-i-d-straight-afr83\"\u003eUni Filter AFR83 Straight Fabric Air Filter - 4.50\" x 4\" (2-7\/16\" ID) - Universal Karting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr179-3-50-x-8-2-7-16-i-d-angled-afr179\"\u003eHigh-Flow Angled Fabric Air Filter 3.50\" x 8\" 2-7\/16\" ID for Karts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afr177-3-50-x-6-2-7-16-i-d-angled-afr177\"\u003eAngled Fabric Air Filter 3.50\" x 6\" for 2-7\/16\" ID Kart Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Uni Filter","offers":[{"title":"Default Title","offer_id":52562706858302,"sku":"AFR80","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr80-3-50-x-4-2-7-16-i-d-straight-afr80.jpg?v=1763114610"},{"product_id":"afr175-3-50-x-4-2-7-16-i-d-angled-afr175","title":"Angled 3.5x4 Inch Fabric Air Filter with 2-7\/16\" ID","description":"\u003cp\u003eNavigate cramped setups with the angled AFR175 fabric air filter— 3.5 by 4 inches, 2-7\/16\" ID for seamless carb connection.\u003c\/p\u003e\u003cp\u003eThis orientation allows custom routing, pulling in cooler air for denser charges and hotter combustion. Fabric media flexes without tearing, filtering out track sand effectively.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLightweight for minimal restriction in high-RPM pulls.\u003c\/li\u003e\n\u003cli\u003eEasy to mount with standard clamps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for organized air systems, it keeps debris from internals, preserving speed and reliability.\u003c\/p\u003e\u003cp\u003eSKU: AFR175\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if the 2-7\/16\" ID will fit my carburetor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You should measure the outer diameter of your carburetor's intake bell. The 2-7\/16\" ID is designed to provide a snug, secure fit on standard racing carburetors of that size. Always ensure your intake surface is clean before sliding the filter on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why choose an angled air filter over a straight one?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The angled design is specifically engineered for karting setups where space is limited. It allows you to route the filter away from engine components or chassis bars, helping you pull in cooler, cleaner air for better combustion efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How should I clean and maintain this fabric air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e To maintain performance, gently tap the filter to remove loose track sand and debris. If it becomes heavily soiled, use a mild cleaning solution or compressed air from the inside out. Ensure the filter is completely dry before reinstalling it on your engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a specific clamp to install this filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, a secure clamp is essential to prevent the filter from vibrating loose during high-RPM racing. We recommend using a high-quality hose clamp to ensure an airtight seal between the filter neck and the carburetor.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/afcl-replacement-air-filter-clamp-afcl\"\u003eReplacement Clamp for AFR Series Fabric Air Filters\u003c\/a\u003e\u003c\/p\u003e","brand":"AFR Filters","offers":[{"title":"Default Title","offer_id":52562718425406,"sku":"AFR175","price":14.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/airfiltersfabric-afr175-3-50-x-4-2-7-16-i-d-angled-afr175.jpg?v=1763114737"},{"product_id":"hff-honda-foam-filter-hff","title":"Honda-Compatible Foam Pre-Filter for 2-7\/16\" Kart Filter Cups","description":"\u003cp\u003eRevive classic power with this Honda foam filter (SKU: HFF), a pre-filter that slips onto 2-7\/16\" cups for vintage two-strokes. It adds a protective layer, trapping larger particles before they hit your primary filter, which means fewer cleanings and more track time.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eClassic Fit:\u003c\/b\u003e Tailored for Honda-era engines, ensuring authentic performance restoration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimple Protection:\u003c\/b\u003e Foam design absorbs impacts from flying debris, keeping internals spotless.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Care:\u003c\/b\u003e Wash and reinstall quickly between races.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor enthusiasts restoring old karts, this pre-filter breathes new life into aging setups by optimizing air paths. It helps sustain the crisp throttle feel of two-strokes, aiding in quicker launches. In dusty vintage events, it proves invaluable by cutting down on contamination risks. Organize your pit tools around this durable piece—it's lightweight and packs easily. Experience the thrill of uncompromised speed without modern overkill.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this pre-filter fit my modern racing air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This pre-filter is specifically designed for 2-7\/16\" filter cups commonly found on vintage Honda-style engines. Please measure your filter cup diameter before purchasing to ensure a snug fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I clean the foam pre-filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e For optimal performance, especially in dusty track conditions, we recommend cleaning the foam after every race day. Simply wash it with mild soap and water, let it air dry completely, and reinstall.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this replace my primary air filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, this is a pre-filter. It is designed to slip over your existing primary filter to trap larger debris, extending the life of your main filter and keeping your engine internals cleaner.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this be used on 212cc Clone engines?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, as long as your intake setup utilizes a 2-7\/16\" filter cup, this foam pre-filter will provide the same protective benefits for Clone engines as it does for classic Honda setups.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products From Vendor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jf168-9905-clone-carb-throttle-shaft-unit-jf168-9905\"\u003eGeneric Clone GX200 Complete Carb Throttle Shaft Unit - 196cc\/212cc - AKRA Legal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/clone-viton-coated-steel-gasket-010-dj-1312\"\u003eViton Coated Steel Head Gasket .010 Inch for Honda Clones\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jf168-1130r-clone-valve-cover-gasket-rubber-jf168-1130r\"\u003eDurable Rubber Clone Valve Cover Gasket for Reliable Sealing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/clone-o-h-v-vent-tube-kit-cvtk\"\u003eClone OHV Vent Tube Kit for Valve Cover Breather\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/jf168-9991-clone-float-bowl-drain-nut-jf168-9991\"\u003eEasy-Access Clone Float Bowl Drain Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":52562728812862,"sku":"HFF","price":14.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterfoam-hff-honda-foam-filter-hff.jpg?v=1763114804"},{"product_id":"outerwears-pre-filter-for-afr83-specify-color-owpf83","title":"Outerwears Pre-Filter for AFR83 Air Filter - Durable Protection in Multiple Colors","description":"\u003cp\u003eWith over 25 years of experience, the Black Outerwears pre-filter for AFR83 is engineered to safeguard your air filter from engine-damaging elements like dirt, dust, and debris. Its sleek black finish adds a professional look to your kart setup while ensuring optimal airflow and filter longevity. Maintenance is effortless—simply wash with soap and water for repeated use. Ideal for kart racers in the 2-7\/16\" air filter category who prefer a classic, stealthy black option.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eMixing sizes and colors is okay for quantity pricing.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eAIR FILTER SOLD SEPARATELY\u003c\/strong\u003e\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Black","offer_id":52569004835134,"sku":"OWPF83**Black","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53239552246078,"sku":"OWPF83**Blue","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53239552311614,"sku":"OWPF83**Red","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":53239552344382,"sku":"OWPF83**Yellow","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterouterwears-outerwears-pre-filter-for-afr83-specify-color-owpf83.jpg?v=1763125262"},{"product_id":"outerwears-pre-filter-for-afr177-specify-color-owpf177","title":"Outerwears Pre-Filter for AFR177 Air Filter - Durable Protection in Multiple Colors","description":"\u003cp\u003eWith over 25 years of experience, Outerwears pre-filters are engineered to safeguard your air filter from engine-damaging elements like dirt, debris, and moisture. Specifically designed for the AFR177 air filter, this black pre-filter ensures optimal airflow while extending the life of your kart's engine components.\u003c\/p\u003e\u003cp\u003eEasy to maintain, simply wash with soap and water for repeated use. The sleek black color provides a professional, low-profile look for your racing setup.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eMixing sizes and colors is okay for quantity pricing.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cfont color=\"red\"\u003e\u003cb\u003eAIR FILTER SOLD SEPARATELY\u003c\/b\u003e\u003c\/font\u003e\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Black","offer_id":52569004966206,"sku":"OWPF177**Black","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":53239551951166,"sku":"OWPF177**Blue","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53239552016702,"sku":"OWPF177**Red","price":9.49,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":53239552082238,"sku":"OWPF177**Yellow","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/prefilterouterwears-outerwears-pre-filter-for-afr177-specify-color-owpf177.jpg?v=1763125262"},{"product_id":"outerwears-pre-filter-walker-clone-black","title":"Outerwears Black Pre-Filter for Walker Clone Air Filter - Tighter Fit -  6\"","description":"\u003ch2\u003eOuterwears Pre-Filter for Walker Clone Filter (Black)\u003c\/h2\u003e\n\u003cp\u003eEnhance your kart's air intake system with this dedicated Outerwears pre-filter, specifically made for the Walker Clone filter. Released as a new part on 07.20.2020, this updated design addresses common fit issues by providing a noticeably tighter fit compared to earlier versions. Available exclusively in black, it ensures a secure, snug installation that stays in place during intense racing conditions.\u003c\/p\u003e\n\u003cp\u003eIn the world of kart racing, maintaining a clean air supply to your engine is crucial for optimal performance. The Walker Clone filter is a popular choice among clone engine users, and this Outerwears pre-filter adds an extra layer of defense against dust, debris, and track contaminants. The improved tighter fit means less chance of slippage or gaps, helping to prolong the life of your primary filter and engine internals.\u003c\/p\u003e\n\u003cp\u003eEasy to install over your existing Walker Clone filter, this pre-filter slips on effortlessly and is built to withstand the vibrations and rigors of karting. Whether you're competing on dirt ovals, asphalt tracks, or practice sessions, this black pre-filter keeps things simple and effective. It's a straightforward upgrade for any clone-powered kart setup relying on Walker filtration.\u003c\/p\u003e\n\u003cp\u003eKey update: The tighter fit eliminates the looseness found in previous models, offering reliability you can count on lap after lap. Pair it with your standard maintenance routine for best results in 4-cycle kart engines.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNew part introduced 07.20.2020 for latest standards\u003c\/li\u003e\n\u003cli\u003eTighter fit secures better than older versions\u003c\/li\u003e\n\u003cli\u003eExact fit for Walker Clone air filter setup\u003c\/li\u003e\n\u003cli\u003eBlack color matches most kart aesthetics\u003c\/li\u003e\n\u003cli\u003eSimple slip-on design for quick installs\u003c\/li\u003e\n\u003cli\u003eReliable protection in demanding kart environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs this pre-filter compatible only with Walker Clone filters?\u003c\/h3\u003e\n\u003cp\u003eYes, it is designed specifically for the Walker Clone filter as indicated.\u003c\/p\u003e\n\u003ch3\u003eWhat makes this version different from previous ones?\u003c\/h3\u003e\n\u003cp\u003eIt features a tighter fit than the previous version for improved security.\u003c\/p\u003e\n\u003ch3\u003eIs it available in size and colors other than black?\u003c\/h3\u003e\n\u003cp\u003eNo, \u003cspan\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 13px; font-family: Tahoma;\"\u003e4-1\/2\" x 6\" (Fits 6\" Walker)\u003cbr\u003eBlack Only\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e  on this one as per product details.\u003c\/p\u003e\n\u003ch3\u003eWhen was this part released?\u003c\/h3\u003e\n\u003cp\u003eNew part released on 07.20.2020.\u003c\/p\u003e\n\u003ch3\u003eDoes it require any special tools for installation?\u003c\/h3\u003e\n\u003cp\u003eNo, it slips directly over the Walker Clone filter with no tools needed.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244449030462,"sku":"OW146TBLK","price":11.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre_Filter_for_Walker_Clone_Filter_Black_Only.jpg?v=1774901792"},{"product_id":"outerwears-black-pre-filter-afr179-owpf179b","title":"Outerwears Black Pre-Filter for AFR179 Air Filter - 3.5\" ID x 8\" Tall","description":"\u003ch2\u003eOuterwears Pre-Filter for AFR179 (Black)\u003c\/h2\u003e\n\u003cp\u003eEnhance the longevity and efficiency of your AFR179 air filter with this dedicated Outerwears pre-filter in sleek black. Specifically engineered to slip directly over the AFR179 filter, it acts as a first line of defense against dirt, dust, and fine particles commonly encountered on the track.\u003c\/p\u003e\n\u003cp\u003eKey specifications include a 3.5-inch inner diameter (ID) and 8.0-inch height, featuring a closed-end design for a secure, no-gap fit. This pre-filter is black only for this listing, though other colors are available separately. Its durable construction ensures reliable performance lap after lap, helping to prevent contaminants from reaching your engine's primary filter.\u003c\/p\u003e\n\u003cp\u003eIn kart racing, where track conditions vary from dusty ovals to gritty circuits, a quality pre-filter like this one is indispensable. It traps larger debris before it can clog or damage the main filter, reducing maintenance frequency and keeping airflow optimal. Easy to install with a simple stretch-over application—no tools required—it's a quick pit-lane upgrade that pays dividends in consistent engine protection.\u003c\/p\u003e\n\u003cp\u003eIdeal for racers prioritizing engine health without added complexity. Pair it with your existing AFR179 setup for comprehensive filtration. Note: This pre-filter is intended for direct use over the AFR179 filter as specified.\u003c\/p\u003e\n\u003ch3\u003eBenefits at a Glance:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit for seamless integration\u003c\/li\u003e\n\u003cli\u003eProven to extend filter life\u003c\/li\u003e\n\u003cli\u003eLightweight and flexible material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're prepping for club races or intense practice sessions, this Outerwears pre-filter delivers peace of mind by safeguarding your air intake system.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat are the exact dimensions of this pre-filter?\u003c\/h4\u003e\n\u003cp\u003e3.5\" inner diameter (ID), 8.0\" tall, with a closed end.\u003c\/p\u003e\n\u003ch4\u003eDoes it fit directly on the AFR179 filter?\u003c\/h4\u003e\n\u003cp\u003eYes, it's designed for use directly over the AFR179 filter.\u003c\/p\u003e\n\u003ch4\u003eIs this available in other colors?\u003c\/h4\u003e\n\u003cp\u003eBlack only for this SKU; other colors available via separate listings.\u003c\/p\u003e\n\u003ch4\u003eDo I need any tools to install it?\u003c\/h4\u003e\n\u003cp\u003eNo, it stretches over the filter easily by hand.\u003c\/p\u003e\n\u003ch4\u003eWhat does a pre-filter do?\u003c\/h4\u003e\n\u003cp\u003eIt captures larger particles before they reach the main air filter, prolonging its life.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244449423678,"sku":"OWPF179B","price":13.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre-Filter_for_AFR179_Black.jpg?v=1774901835"},{"product_id":"outerwears-black-pre-filter-afr80-afr175","title":"Outerwears Black Pre-Filter for AFR80 \u0026 AFR175 Kart Air Filters","description":"\u003cp\u003eEquip your kart with the trusted Outerwears Pre-Filter in black, tailored for AFR80 and AFR175 air filters. Drawing on over 25 years of specialized experience, Outerwears crafts these pre-filters to deliver robust defense against engine-damaging elements like dirt, dust, and debris that can compromise performance.\u003c\/p\u003e\u003ch2\u003eEssential Engine Safeguard\u003c\/h2\u003e\u003cp\u003ePlaced over your primary air filter, this pre-filter serves as a critical barrier, ensuring cleaner air intake for sustained power and reliability on the track. Kart racers rely on it to prevent contaminants from shortening filter life or harming internal components. The black finish offers a sleek, professional look that integrates seamlessly with your setup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect compatibility with AFR80 \u0026amp; AFR175 models\u003c\/li\u003e\n\u003cli\u003eProven durability from decades of innovation\u003c\/li\u003e\n\u003cli\u003eQuick and secure installation\u003c\/li\u003e\n\u003cli\u003eReusable design for cost-effective use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSimple Cleaning and Care\u003c\/h2\u003e\u003cp\u003eKeeping it in top condition is effortless—simply wash with soap and water, rinse thoroughly, and let it air dry. This low-maintenance approach means more time racing and less time servicing. Perfect for busy pit crews or solo builders.\u003c\/p\u003e\u003cp\u003eAir filter sold separately. Maximize savings with quantity pricing; mixing sizes and colors is fully supported for bulk orders.\u003c\/p\u003e\u003cp\u003eInvest in Outerwears quality to protect what powers your kart. Long-term reliability starts with superior air filtration.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch4\u003eWhat does the Outerwears Pre-Filter protect against?\u003c\/h4\u003e\u003cp\u003eIt shields the air filter from engine-damaging elements such as dirt, dust, and debris.\u003c\/p\u003e\u003ch4\u003eHow do I clean the pre-filter?\u003c\/h4\u003e\u003cp\u003eWash it easily with soap and water, then rinse and air dry.\u003c\/p\u003e\u003ch4\u003eIs the primary air filter included?\u003c\/h4\u003e\u003cp\u003eNo, air filter is sold separately.\u003c\/p\u003e\u003ch4\u003eCan I mix sizes and colors for pricing?\u003c\/h4\u003e\u003cp\u003eYes, mixing sizes and colors is okay for quantity pricing benefits.\u003c\/p\u003e\u003ch4\u003eWhat air filters is this pre-filter for?\u003c\/h4\u003e\u003cp\u003eDesigned specifically for AFR80 \u0026amp; AFR175 models.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244449653054,"sku":"OWPF80B","price":9.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre-Filter_for_AFR80_AFR175_Black.jpg?v=1774901908"},{"product_id":"outerwears-blue-pre-filter-afr80-afr175-owpf80bl","title":"Outerwears Blue Pre-Filter for AFR80 \u0026 AFR175 Air Filters - Kart Protection","description":"\u003ch2\u003eProtect Your Kart Engine: Outerwears Blue Pre-Filter for AFR80 \u0026amp; AFR175\u003c\/h2\u003e\u003cp\u003eEngineered by Outerwears with more than 25 years of expertise in filtration solutions, this blue pre-filter delivers essential defense for your AFR80 and AFR175 air filters. Kart tracks often expose engines to dirt, dust, pollen, and other damaging contaminants that can clog filters and reduce performance. This pre-filter acts as the first line of protection, trapping larger particles before they reach your main air filter, helping maintain optimal engine breathing and longevity.\u003c\/p\u003e\u003cp\u003eCrafted from high-quality, breathable mesh material, it ensures unrestricted airflow while blocking harmful debris. The vibrant blue color makes it easy to spot in your pit setup, and its flexible design slips on securely without tools. Maintenance couldn't be simpler: rinse with soap and water, shake off excess, and let air dry. Repeat use after races keeps it performing like new, saving you time and money on frequent replacements.\u003c\/p\u003e\u003cp\u003ePerfect for 4-cycle kart enthusiasts running AFR80 or AFR175 setups, this pre-filter is a must-have for consistent protection in varying conditions—from dusty dirt ovals to outdoor circuits. Note that the primary air filter is sold separately, allowing you to pair it with your existing filter. For bulk buys, feel free to mix sizes and colors to qualify for quantity pricing benefits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e25+ years of Outerwears filtration innovation\u003c\/li\u003e\n\u003cli\u003eTailored fit for AFR80 \u0026amp; AFR175 air filters\u003c\/li\u003e\n\u003cli\u003eBlocks engine-damaging dirt and debris effectively\u003c\/li\u003e\n\u003cli\u003eEffortless cleaning with just soap and water\u003c\/li\u003e\n\u003cli\u003eBreathable design preserves airflow\u003c\/li\u003e\n\u003cli\u003eBlue hue for quick visual identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInvest in reliability—add this Outerwears pre-filter to your kart maintenance kit today and keep your engine running strong race after race.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch4\u003eWhat specific air filters is this pre-filter compatible with?\u003c\/h4\u003e\u003cp\u003eIt fits AFR80 and AFR175 air filters perfectly.\u003c\/p\u003e\u003ch4\u003eHow should I clean and maintain the pre-filter?\u003c\/h4\u003e\u003cp\u003eSimply wash it with soap and water, then air dry. No special cleaners needed.\u003c\/p\u003e\u003ch4\u003eDoes this include the main air filter?\u003c\/h4\u003e\u003cp\u003eNo, the air filter is sold separately.\u003c\/p\u003e\u003ch4\u003eCan I combine different sizes or colors for pricing?\u003c\/h4\u003e\u003cp\u003eYes, mixing sizes and colors is okay for quantity pricing.\u003c\/p\u003e\u003ch4\u003eWill it restrict airflow to my engine?\u003c\/h4\u003e\u003cp\u003eNo, its breathable mesh allows proper airflow while protecting against debris.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244449980734,"sku":"OWPF80BL","price":9.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre-Filter_for_AFR80_AFR175_Blue.jpg?v=1774901944"},{"product_id":"outerwears-red-pre-filter-afr80-afr175","title":"Outerwears Red Pre-Filter for AFR80 \u0026 AFR175 Kart Air Filters","description":"\u003cp\u003eEnhance your kart's air intake system with the Outerwears Pre-Filter for AFR80 \u0026amp; AFR175 in striking red. Crafted with over 25 years of expertise, this pre-filter acts as a robust shield, guarding your primary air filter against harmful elements like dirt, dust, and debris that can infiltrate and damage your engine.\u003c\/p\u003e\u003cp\u003eInstallation is straightforward—simply slip it over your AFR80 or AFR175 air filter and secure with the included clamp. Its durable, breathable fabric ensures optimal airflow while providing superior filtration. When maintenance time comes, cleaning is effortless: just rinse with soap and water, then air dry. No special tools or chemicals required, keeping your setup race-ready with minimal downtime.\u003c\/p\u003e\u003cp\u003eIdeal for kart racers who demand reliability in every lap, this pre-filter extends the life of your air filter and maintains peak engine performance. Whether you're hitting the track for club races or intense practice sessions, it delivers consistent protection. Note: mixing sizes and colors qualifies for quantity pricing, perfect for teams stocking up. Air filter sold separately—pair it with your existing AFR80 or AFR175 for complete coverage.\u003c\/p\u003e\u003cp\u003eBacked by Outerwears' legacy of innovation in filtration, this red pre-filter combines function with visibility, making it easy to spot in your pit area. Invest in engine health and focus on what matters: faster laps and fewer rebuilds.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBlocks engine-damaging contaminants effectively\u003c\/li\u003e\n\u003cli\u003eSimple soap-and-water cleaning routine\u003c\/li\u003e\n\u003cli\u003e25+ years of trusted pre-filter design\u003c\/li\u003e\n\u003cli\u003ePerfect fit for AFR80 \u0026amp; AFR175 models\u003c\/li\u003e\n\u003cli\u003eVibrant red for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I clean the Outerwears pre-filter?\u003c\/strong\u003e\u003cbr\u003eA: Wash it with soap and water, then let it air dry completely before reuse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it fit only AFR80 and AFR175?\u003c\/strong\u003e\u003cbr\u003eA: Yes, specifically designed for AFR80 \u0026amp; AFR175 air filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the air filter included?\u003c\/strong\u003e\u003cbr\u003eA: No, air filter sold separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I mix colors for bulk pricing?\u003c\/strong\u003e\u003cbr\u003eA: Yes, mixing sizes and colors is okay for quantity pricing.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244451062078,"sku":"OWPF80R","price":9.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre-Filter_for_AFR80_AFR175_Red.jpg?v=1774901974"},{"product_id":"outerwears-yellow-pre-filter-afr80-afr175","title":"Outerwears Yellow Pre-Filter for AFR80 \u0026 AFR175 Kart Air Filters","description":"\u003ch2\u003eOuterwears Pre-Filter: Superior Protection for AFR80 \u0026amp; AFR175 Air Filters (Yellow)\u003c\/h2\u003e\n\u003cp\u003eBuilt on over 25 years of expertise, the Outerwears pre-filter delivers essential defense for your kart's air filter. Specifically designed for AFR80 and AFR175 models, this yellow pre-filter wraps securely around your existing air filter to block engine-damaging contaminants like dirt, dust, and debris. Keep your engine running clean and efficient during intense track sessions or practice runs.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward—just slip it over your air filter and secure with the included clamp. No special tools required. Maintenance couldn't be simpler: rinse with soap and water, then air dry. It's reusable, cost-effective, and tough enough for repeated cleanings without losing effectiveness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTargets harmful elements before they reach the main filter\u003c\/li\u003e\n\u003cli\u003eCustom fit for AFR80 \u0026amp; AFR175 air filters\u003c\/li\u003e\n\u003cli\u003eVibrant yellow for quick visual checks\u003c\/li\u003e\n\u003cli\u003eFlexible fabric construction adapts to filter shape\u003c\/li\u003e\n\u003cli\u003eProven durability from a trusted karting brand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Air filter sold separately. Mix sizes and colors for quantity pricing benefits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat air filters does this pre-filter fit?\u003c\/h4\u003e\n\u003cp\u003eThis yellow Outerwears pre-filter is designed specifically for AFR80 and AFR175 air filters used in kart engines.\u003c\/p\u003e\n\u003ch4\u003eHow do I clean the pre-filter?\u003c\/h4\u003e\n\u003cp\u003eWash it easily with soap and water, then let it air dry. No harsh chemicals needed.\u003c\/p\u003e\n\u003ch4\u003eIs the main air filter included?\u003c\/h4\u003e\n\u003cp\u003eNo, the air filter is sold separately. This is a protective pre-filter only.\u003c\/p\u003e\n\u003ch4\u003eCan I mix colors or sizes for bulk orders?\u003c\/h4\u003e\n\u003cp\u003eYes, mixing sizes and colors is fine for quantity pricing.\u003c\/p\u003e\n\u003ch4\u003eWhy choose Outerwears pre-filters?\u003c\/h4\u003e\n\u003cp\u003eWith over 25 years of experience, they provide reliable protection against elements that can damage engines.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244452045118,"sku":"OWPF80Y","price":9.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/Outerwears_Pre-Filter_for_AFR80_AFR175_Yellow.jpg?v=1774902003"},{"product_id":"outerwears-pre-filter-black-walker-clone-wcf-r2c-cy10511","title":"Outerwears Pre-Filter for Walker Clone WCF Air Filter - Black, Fits R2C CY10511","description":"\u003ch2\u003eOuterwears Pre-Filter: Premium Protection for Walker Clone WCF Air Filters\u003c\/h2\u003e\n\u003cp\u003eEngineered by Outerwears, this closed-top pre-filter in black delivers reliable defense for your Walker Clone WCF air filter. With more than 25 years of expertise in filtration, Outerwears pre-filters stand guard against harmful elements like dirt, dust, and debris that can damage kart engines. Keep your air intake clean and your performance steady during intense track sessions.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically to fit the WCF Walker Clone air filter, this pre-filter also compatible with R2C CY10511 setups. Its durable construction ensures long-lasting use in demanding karting environments. Maintenance is straightforward—simply rinse with soap and water to restore full effectiveness, no special tools required. This makes it a practical choice for racers who value quick pit maintenance.\u003c\/p\u003e\n\u003cp\u003eAvailable in black only, it integrates seamlessly with your kart's engine bay. Note: Air filter is sold separately. For bulk orders, mixing sizes and colors qualifies for quantity pricing, offering flexibility for teams or shops stocking up.\u003c\/p\u003e\n\u003cp\u003eInvest in Outerwears quality to extend the life of your air filter and maintain optimal engine breathing. Trusted by kart enthusiasts for superior pre-filtration that supports consistent power output.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlocks engine-damaging contaminants effectively\u003c\/li\u003e\n\u003cli\u003eSimple soap-and-water cleaning routine\u003c\/li\u003e\n\u003cli\u003eProven 25+ years of Outerwears engineering\u003c\/li\u003e\n\u003cli\u003ePrecise fit for Walker Clone WCF and R2C CY10511\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eDoes this pre-filter fit other air filters besides Walker Clone WCF?\u003c\/h4\u003e\n\u003cp\u003eIt also fits R2C CY10511. Confirm compatibility for your specific setup.\u003c\/p\u003e\n\u003ch4\u003eHow do I clean the Outerwears pre-filter?\u003c\/h4\u003e\n\u003cp\u003eWash with soap and water, then air dry. No harsh chemicals needed.\u003c\/p\u003e\n\u003ch4\u003eIs the air filter included?\u003c\/h4\u003e\n\u003cp\u003eNo, air filter sold separately.\u003c\/p\u003e\n\u003ch4\u003eCan I mix colors for quantity discounts?\u003c\/h4\u003e\n\u003cp\u003eYes, mixing sizes and colors is okay for quantity pricing.\u003c\/p\u003e","brand":"Outerwears","offers":[{"title":"Default Title","offer_id":53244452241726,"sku":"OWPFWCFB","price":16.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/OuterWears_Pre_Filter_for_Walker_Clone_Filter_Black_Only_Also_fits_R2C_CY10511.jpg?v=1774902032"},{"product_id":"yellow-3-75-x-6-foam-filter","title":"Yellow 3.75 x 6 Foam Filter for Kart Engines","description":"\u003cp\u003eThis yellow foam filter measures precisely 3.75 inches by 6 inches. It serves as a direct replacement element in kart engine air intake systems.\u003c\/p\u003e\u003cp\u003eThe bright yellow color makes it easy to spot during routine maintenance and inspections.\u003c\/p\u003e\u003cp\u003eDesigned for consistent performance in 4-cycle kart applications where clean airflow is essential.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat are the dimensions?\u003c\/h3\u003e\u003cp\u003eThe filter measures 3.75\" x 6\".\u003c\/p\u003e\u003ch3\u003eWhat color is this filter?\u003c\/h3\u003e\u003cp\u003eIt is yellow.\u003c\/p\u003e\u003ch3\u003eIs this an aftermarket part?\u003c\/h3\u003e\u003cp\u003eYes, this is an aftermarket foam filter.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":54336311001406,"sku":"UIPFL","price":3.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/UIPFL_Yellow_3.75__x_6__Foam_Filter.jpg?v=1787801050"},{"product_id":"yellow-closed-end-foam-filter-3-75-x-6","title":"3.75 x 6 Yellow Closed End Foam Filter for Kart Engines","description":"\u003cp\u003eThis yellow closed end foam filter measures 3.75 inches by 6 inches and is built for kart engine applications.\u003c\/p\u003e\u003cp\u003eThe closed-end construction offers a secure fit while the foam material delivers essential filtration to guard against debris.\u003c\/p\u003e\u003cp\u003eSourced as a direct replacement part, it integrates quickly into existing setups without complications.\u003c\/p\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eWhat are the exact dimensions?\u003c\/h3\u003e\u003cp\u003e3.75 inches by 6 inches.\u003c\/p\u003e\u003ch3\u003eWhat color is this filter?\u003c\/h3\u003e\u003cp\u003eBright yellow.\u003c\/p\u003e\u003ch3\u003eDoes it have a closed end?\u003c\/h3\u003e\u003cp\u003eYes, it features a fully closed end design.\u003c\/p\u003e\u003ch3\u003eIs this suitable for kart engines?\u003c\/h3\u003e\u003cp\u003eYes, it is designed for kart racing use.\u003c\/p\u003e","brand":"Swift Karting","offers":[{"title":"Default Title","offer_id":54336344752446,"sku":"UIPFL-C","price":4.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/files\/UIPFL-C_Yellow_Closed_End_3.75__x_6__Foam_Filter.jpg?v=1787801106"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/4721\/8494\/collections\/Outerwears_Pre-Filter_for_Briggs_555729_Filter_SPECIFY_COLOR.jpg?v=1788983894","url":"https:\/\/swiftkarting.com\/collections\/2-7-16-inch-clone-kart-air-filters.oembed","provider":"Swift Karting","version":"1.0","type":"link"}