Description
Features
- The Q4 employs intricate chambers, baffles and proprietary multistage packing material
- With the Q4 you dont 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.
| Position | Notes | |||
|---|---|---|---|---|
| 2007-2015 | KTM | 250 SX-F | - | - |
| 2007-2015 | KTM | 450 XC-F | - | - |
| 2007-2015 | KTM | 250 XC-F | - | - |
| 2008-2016 | KTM | 250 XCF-W 4-Stroke | - | - |
| 2007-2015 | KTM | 350 SX-F | - | - |
| 2007-2015 | KTM | 350 XC-F | - | - |
| 2008-2016 | KTM | 450 XCF-W | - | - |
| 2007-2015 | KTM | 450 SX-F | - | - |
| 2008-2016 | KTM | 350 XCF-W | - | - |
| 2007-2010 | KTM | 450 SMR | - | - |
| 2014-2016 | Husqvarna | FE350 | - | - |
| 2014-2016 | Husqvarna | FE250 | - | - |
