Description
Features
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally
- In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
- The Factory 4.1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings
- RTS (Rapid Tuning System)
| Position | Notes | |||
|---|---|---|---|---|
| 2020-2022 | Husqvarna | FE501 | - | - |
| 2020-2022 | Husqvarna | FE350 | - | - |
| 2022 | Husqvarna | FE 250 | - | - |
| 2022 | Husqvarna | FE 450 | - | - |
| 2020-2021 | Husqvarna | FE250 | - | - |
| 2020, 2021, 2023 | Husqvarna | FE450 | - | - |
| 2020-2022 | KTM | 500 XCF-W | - | - |
| 2020-2022 | KTM | 350 XCF-W | - | - |
| 2023 | KTM | 450 XCF-W | - | - |
| 2021 | Gas Gas | EC 350F | - | - |
| 2021 | Gas Gas | EC 250F | - | - |
