FMF Racing 4.1 Complete System w/Carbon Cap Megabomb Header

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.

• Highest-quality proprietary blend of alloy grade titanium


• Blue anodized titanium muffler with carbon end cap


• Massive power gains throughout the RPM range


• Rapid Tuning System (RTS)

Fits:
Yamaha_YFZ450R Base 2009 to 2020
Yamaha_YFZ450X Base 2010 to 2011