FMF

Developed over years of championship off-road racingMax sound output 96db; most models below 93dbPounds lighter than stockUse with stock or FMF headerBuilt-in spark arrestor includedEasy to repackNot...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight ratio Quiet power with minimal sacrifice for performance...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight ratio Quiet power with minimal sacrifice for performance...

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor. MUFFLER Q4 XR650L

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor. MUFFLER Q4 HEX KLX300R

Developed over years of championship off-road racing Employs intricate chambers, baffles and proprietary multistage packing material Max Sound output 96dB Constructed from aircraft grade aluminum and...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight ratio Quiet power with minimal sacrifice for performance...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight ratio Quiet power with minimal sacrifice for performance...

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor Fits stock and PowerBomb...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Less mass to enhance power-to-weight ratio Quiet power with minimal sacrifice for performance...

Developed over years of championship off-road racing Twin-stage core design for lower sound output and extended life of packing material Comes standard with spark arrestor Fits stock and PowerBomb...

Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power lossWell under the 96db sound output on most machines to...