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) Yamaha YZ 250 2022-2023 Yamaha YZ 250 F 2019-2021 Yamaha YZ 250 FX 2020-2023
This part fits the below bikes:
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