Black 8-Inch Foam Pre-Filter 3.5" x 8" for 3.5" Diameter Kart Filters

Stealthy 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.

Essential 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.

• Universal Sizing: Works across AFR-177, AFR-179, and more with simple trimming.
• Robust Foam: Absorbs shocks from rough terrain without compressing flat.
• Pit-Friendly: Lightweight for easy transport in gear bags.

Streamline your race prep by stocking these— they adapt to evolving setups, ensuring organized, efficient filtration every time.

Frequently Asked Questions

Q: How do I install this foam pre-filter on my kart air filter?

A: 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.

Q: Can I trim this pre-filter to fit shorter air filters?

A: 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.

Q: Why should I use a pre-filter instead of just the main air filter?

A: 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.

Q: How do I clean the foam pre-filter?

A: 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.

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