FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler - 044400

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)

This Part Fits:

Year	Make	Model	Submodel
2009-2020	Yamaha	YFZ450R	Base
2010-2011	Yamaha	YFZ450X	Base