FMF Racing Honda CRF125F 19-26 SS Aluminum Mini Moto Fact 4.1 Slip-On Muffler

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.