FMF

Q4 HEX Muffler - YAMAHA

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The Q4 employs intricate chambers, baffles and proprietary multistage packing material
With the Q4 you don’t need to hear the power, just feel the power!
Less sound equals more ground
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.
FITS - 2019-2023 Yamaha YZ 450 FX, 2019 Yamaha WR 450 F, 2018-2024 Yamaha YZ 450 F