Description & Size Guide
Factory 4.1 RCT Slip-On MufflerThe 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) Gas Gas EX 350 F 2021-2022 Gas Gas EX 450 F 2021-2022 Gas Gas MC 350 F 2023 Gas Gas MC 450 F 2021-2023 Husqvarna FC 350 2019-2022 Husqvarna FC 450 2019-2022 Husqvarna FC 450 2020 Husqvarna FX 350 2019-2022 Husqvarna FX 450 2019-2022 KTM SX-F 350 2019-2022 KTM SX-F 450 2019-2022 KTM SX-F 450 2020 KTM SX-F 450 2018 KTM XC-F 350 I 2019-2022 KTM XC-F 350 I 2021 KTM XC-F 450 I 2019-2022
This part fits the below bikes:
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