YOSHIMURA

For closed-course competition use only; not intended for street use Meet noise level regulations of most worldwide race sanctioning organizations M...

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE This exhaust systems is designed with nothing but power in mind Each Race Series sy...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels Deos not require changing the motorcycle...

Delivers huge power at a very light weightOffers better handling thanks to a lower centralized mass coefficientUniquely-styled pentagonal muffler b...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels Deos not require changing the motorcycle...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels Deos not require changing the motorcycle...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels Deos not require changing the motorcycle...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labelsDeos not require changing the motorcycle'...

An evolution of Yoshimura's off-road exhaust system Equipped with USFS-approved spark arrestors, forest-friendly noise levels and are tailpipe-emis...

Pentagonal-shaped sleeve Carbon Fiber end-cap Maximized internal volume Poly-resonant duplex front chamber Stepped, two-stage core baffle Stainless...

Pentagonal-shaped sleeve Carbon Fiber end-cap Maximized internal volume Poly-resonant duplex front chamber Stepped, two-stage core baffle Stainless...

Designed for closed-course competition use only; not for street use Meet noise level regulations of most worldwide race sanctioning organizations M...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeve Muffler shape provides maximized internal exhaust flow volume Straight, single-core baffle Can ac...

Undertail muffler; trapezoid-shape muffler sleeveMuffler shape provides maximized internal exhaust flow volumeStraight, single-core baffleCan accep...

Designed for closed-course competition use only; not for street use Meet noise level regulations of most worldwide race sanctioning organizations M...

All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels Dual-muffler design exhaust system Achie...

Track-tested by Honda R&D in Japan and the American Honda MX team Features tapered dual mufflers that sit further forward on the bike to tuck i...

Track-tested by Honda R&D in Japan and the American Honda MX team Features tapered dual mufflers that sit further forward on the bike to tuck i...

YOSHIMURA 22-23 GROM RACE FS SS/SS/CF WF Stainless Steel Mufflers / Carbon Fiber End Caps Yoshimura was very excited about the US release of the Gr...