Exhaust Systems
Muffler Q4 Hex
Part # 1821-1999
$499.99
National: 4
- —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
Pipe MaterialStainless Steel
TypeSlip-On
Weight5.1 lb
Product NameMuffler
End Cap MaterialStainless Steel
Muffler MaterialAluminum
UnitsEach
ModelQ4 HEX
Riding StyleOff-Road
Muffler Color/FinishRaw
Weight5.9 lbs
Dimensions (L x W x H)23.5" x 7.25" x 5.25"
Fits These Vehicles (22)
450 XCF-W2023
FE 4502023
FE 4502022
FE3502022
FE5012022
500 XCF-W2022
350 XCF-W2022
FE 2502022
FE5012021
350 XCF-W2021
FE 2502021
EC 250F2021
500 XCF-W2021
EC 350F2021
FE 4502021
FE3502021
350 XCF-W2020
FE 4502020
FE 2502020
FE3502020
FE5012020
500 XCF-W2020
Not sure it fits? Call our Harley techs at 607-654-7431.





















