YOSHIMURA

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

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

Superbike technology and styling Trapezoidal-shaped sleeve Large volume of packing material Straight baffle for ample flow Innovative end-cap Stain...

Superbike technology and styling Trapezoidal-shaped sleeve Large volume of packing material Straight baffle for ample flow Innovative end-cap Stain...

New-generation style mufflers that match the look and performance of today's sport bikes Trapezoid-shaped muffler sleeve maximizes muffler flow vol...

New-generation style mufflers that match the look and performance of today's sport bikes Trapezoid-shaped muffler sleeve maximizes muffler flow vol...

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

New-generation style mufflers that match the look and performance of today's sport bikes Trapezoid-shaped muffler sleeve maximizes muffler flow vol...

New-generation style mufflers that match the look and performance of today's sport bikes Trapezoid-shaped muffler sleeve maximizes muffler flow vol...

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

New-generation style mufflers that match the look and performance of today's sport bikes Trapezoid-shaped muffler sleeve maximizes muffler flow vol...

Trapezoid shape muffler sleeve to maximize exhaust flow volume Straight, single-core baffle Can accept low-volume sound insert Designed for closed-...

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

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

Provides uniform heat coloration for entire length of the midpipe Trapezoid shape muffler sleeve to maximize exhaust flow volume Straight, single-c...

Provides uniform heat coloration for entire length of the midpipe Trapezoid shape muffler sleeve to maximize exhaust flow volume Straight, single-c...

Trapezoid shape muffler sleeve to maximize exhaust flow volume Straight, single-core baffle Can accept low-volume sound insert Designed for closed-...

Trapezoid shape muffler sleeve to maximize exhaust flow volume Straight, single-core baffle Can accept low-volume sound insert Designed for closed-...

The R-77D is a dual-outlet version of the race-proven R-77 The R-77D requires no inserts or restrictions, increasing muffler packing life and provi...

The R-77D is a dual-outlet version of the race-proven R-77 The R-77D requires no inserts or restrictions, increasing muffler packing life and provi...

Increase ground clearance for higher lean angles Two-position adjustable: 45mm back/30mm up or 45mm back/45mm up from stock position Allow more agg...

YOSHIMURA 19-23 YZ250F RS-12 FS SS/AL/CF Aluminum Muffler / Carbon Fiber End Cap We considered all the details when it came to the RS-12. One look ...

YOSHIMURA 18-23 RMZ450 RS12 FS SS/AL/CF Aluminum Muffler / Carbon Fiber End Cap We considered all the details when it came to the RS-12. One look a...

YOSHIMURA 19-22 RM-Z250 RS-12 SIG FS SS/AL/CF Aluminum Muffler / Carbon Fiber End Cap We considered all the details when it came to the RS-12. One ...