Exhaust Systems
Muffler Hex Q4 S/a
Part # 1821-1837
$499.99
NY: 2
National: 9
- —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.
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Muffler Color/FinishRaw
Riding StyleOff-Road
End Cap MaterialStainless Steel
Muffler MaterialAluminum
UnitsEach
Pipe MaterialStainless Steel
Product NameMuffler
TypeSlip-On
ModelQ4 HEX
Weight5.7 lb
Weight7.2 lbs
Dimensions (L x W x H)37.2" x 6.8" x 6.4"
Fits These Vehicles (25)
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YZ450FX2023
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YZ450F2023
YZ450F2022
YZ450FX2022
WR450F2022
YZ450FX2021
YZ450F2021
WR450F2021
WR450F2020
YZ450F2020
YZ450FX2020
WR450F2019
YZ450F2019
YZ450FX2019
YZ450F2018
Not sure it fits? Call our Harley techs at 607-654-7431.





















