Description
- 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)
| 2019-2022 | Husqvarna | FC 450 | – | – |
| 2019-2022 | Husqvarna | FX 350 | – | – |
| 2019-2022 | Husqvarna | FC 350 | – | – |
| 2019-2022 | Husqvarna | FX 450 | – | – |
| 2018-2022 | KTM | 350 SX-F | – | – |
| 2018-2022 | KTM | 450 SX-F | – | – |
| 2018-2022 | KTM | 450 XC-F | – | – |
| 2018-2022 | KTM | 350 XC-F | – | – |
| 2018-2020 | KTM | 450 SX-F FE | – | – |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
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