FMF FACTORY 4.1 W/SS POWERBOMB HDR YAMAHA

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.-Available in Blue Anodized Titanium Muffler with Carbon End Cap -Massive Power gains throughout the RPM range.-Huge weight savings-New RTS (Rapid Tuning System)-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.-See Features Tab -> Fitment for header compatibility.