The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF achieve 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 'rospace grade materials that meet our exacting specifications and is manufactured 100% at their Southern California factory.
Massive Power gains throughout the RPM range.
Huge weight savings
New RTS (Rapid Tuning System)
FMF uses the highest quality proprietary blend stainless steel made especially to our standards.