Exhaust

The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you donÆt need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included...

The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you donÆt need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included...

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...

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...

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...

Less sound equals more ground Meets FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off-road endurance Made in the U.S.A.. MUFFLER Q4 DR650SE

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 high strength stainless steel Use with FMF or Stock...

Spark arrestor screen insert included For closed course competition only. KAW KX450F'24 HEX Q4 S/A MFLR

Less sound equals more ground Meets FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off-road endurance Made in the U.S.A.. MUFFLER Q4 HEX KX250F

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

The Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you donÆt need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included...

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