FMF Factory 4.1 RCT Muffler Aluminum 045647

The Factory 4.1 RCT incorporates FMF’s Resonance Chamber Technology 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, Massive Power gains throughout the RPM range., Huge weight savings, RTS (Rapid Tuning System)