FEATURES

• 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 
• 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)