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)
- FITS – 2023 KTM 450 XCF-W, 2021 Gas Gas EC 250F, 2021 Gas Gas EC 350F, 2020-2023 Husqvarna FE 450 , 2020-2022 Husqvarna FE 350, 2020-2022 KTM 350 XCF-W, 2020-2022 KTM 500 XCF-W, 2020-2022 Husqvarna FE 501, 2020-2022 Husqvarna FE 250
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