Q4 HEX S/A 041609 HONDA-CRF450X-2023 blended interwoven fiberglass fibers made

blended interwoven fiberglass fibers made to FMF’s specifications for high heat resistance

100% Cotton Crew Neck Fleece

5 Panel  Corduroy Snapback

If you’re riding tracks

Number one pipe on the market

Q4 HEX S/A 041609 HONDA-CRF450X-2023 blended interwoven fiberglass fibers madeFMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you dont 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