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. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
Currently taking pre-orders!
FMF 4.1 RCT Titanium Anodized Muffler (Slip-On)
- Massive Power gains throughout the RPM range.
- Huge weight savings!
- Built with the highest quality FMF proprietary blended alloys.