FMF Racing 18-26 Yamaha YZ450F /YZ450FX 19-24 Anod TI Factory 4.1 RCT SO Muffler w/R. Carbon Cap

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.

This Part Fits:

Year	Make	Model	Submodel
2019-2026	Yamaha	WR450F	Base
2018-2026	Yamaha	YZ450F	Base
2024	Yamaha	YZ450F 50th Anniversary Edition	Base
2026	Yamaha	YZ450F 70th Anniversary Edition	Base
2021-2023,2025	Yamaha	YZ450F Monster Energy Yamaha Racing Edition	Base
2018-2026	Yamaha	YZ450FX	Base