New spring/summer store hours are coming soon! Starting Monday, February 26th, stores are closed on Mondays, and hours change from Tuesday through Friday. Please review carefully. There are no changes to Saturday and Sunday hours.
The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technologyâ„¢ both internally and externally
In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory