FMF
Q4 HEX Muffler
Part # 1821-1919
$569.99
Low Stock (1)
- 60-day returns
- Free shipping over $100
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CA Prop 65 Warning: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Confirmed fit for 66 motorcycle configurations across KTM, Husqvarna, and Gas Gas, model years 2018–2023.
| Years | Make & Model |
|---|---|
| 2019-2022 KTM 450 XC-F | |
| 2018-2022 KTM 350 XC-F | |
| 2022-2023 Gas | Gas MC 350F |
| 2021-2023 Gas | Gas EX 250F |
| 2019-2022 KTM 250 SX-F | |
| 2019-2022 KTM 450 SX-F | |
| 2021-2023 Gas | Gas MC 450F |
| 2018-2022 KTM 350 SX-F | |
| 2021-2023 Gas | Gas MC 250F |
| 2021-2023 Gas | Gas EX 450F |
| 2019-2022 KTM 250 XC-F | |
| 2021-2023 Gas | Gas EX 350F |
| 2019-2021 KTM | 450 SX-F Factory Edition |
| 2019-2022 Husqvarna | FC250 |
| 2019-2022 Husqvarna | FC350 |
| 2019-2022 Husqvarna | FC450 |
| 2019-2022 Husqvarna | FX450 |
| 2019-2022 Husqvarna | FX350 |
- 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.
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Overview
The FMF 1821-1919: Q4 HEX Muffler. Confirmed fit for 66 motorcycle configurations across KTM, Husqvarna, and Gas Gas, model years 2018–2023. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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