Q4 HEX:
FMF is the leader in high performance quiet technology and the Q4 HEX is the next evolution in offroad exhaust. The Q4 HEX silencer employs intricate chambers, baffles and proprietary multi-stage packing material making it the best performing quiet muffler available. With the Q4 HEX you don’t need to hear the power, just feel the power!

Less sound equals more ground

Meets USFS and 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

FMF is the only US manufacturer to offer dedicated quiet exhaust systems

MADE IN THE USA
We recommend all motorcycle parts are fitted and tested by qualified professionals.
If you are unsure about the part choice for your bike, please contact us before purchase.