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 especially to our standards.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

(1) Blue titanium muffler assembly

(1) 8mm-1.25 x 20mm Flange hex head bolts

(1) Spark arrestor

(1) O-ring W/(1) bent tap

(1) Black rubber plug

Instructions