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.
Fitment:
Honda CRF125F Base 2019
Honda CRF125F Base 2020
Honda CRF125F Base 2021