FMF Factory 4.1 RCT Slip-On Muffler Fits - Anodized Titanium Yamaha YZ 250 F
The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally. Factory 4.1 RCT Slip-On Muffler. Yamaha YZ 250 2022-2023. Yamaha YZ 250 F 2019-2021. Yamaha YZ 250 FX 2020-2023.