Curved Multi-Stage Exhaust Header for Jr. II Engines with 1 5/16" Silencer

Why settle for stock exhaust when you can unleash hidden potential? This 1TMC curved multi-stage header redefines power delivery for Jr. II engines, channeling exhaust gases through progressive chambers to maximize velocity and minimize restrictions.

In the heat of a kart race, every fraction of a second counts. This header's innovative multi-stage design enhances exhaust scavenging, pulling more air into the combustion chamber for explosive acceleration out of turns. Tailored for 1 5/16" silencers, it balances noise control with uncompromised flow, keeping you compliant while pushing boundaries.

• Seamless Integration: Fits Briggs Raptor flathead engines, bolting on effortlessly to elevate your setup.
• Thermal Efficiency: Curved path dissipates heat faster, protecting components during long sessions.
• Track-Proven Gains: Racers report up to 10% better mid-range torque, translating to quicker laps and podium finishes.

As an aftermarket exhaust header, the 1TMC SKU stands out for its close-out availability—secure yours to dominate the straightaways. Whether rebuilding or fine-tuning, this piece organizes your engine bay while delivering the speed edge you crave.