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

2026-03-30T04:25:09-06:00

Price: 849.99

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 | Yamaha | WR450F | Base
2018-2021 | Yamaha | YZ450F | Base
2019-2020 | Yamaha | YZ450FX | Base