FMF Racing® Factory 4.1 RCT Muffler - Anodized Titanium 044400

2010-2011 Yamaha YFZ450X 4x2
2009-2020 Yamaha YFZ450R 4x2

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.

Features:

• Massive Power gains throughout the RPM range.
• Huge weight savings
• RTS (Rapid Tuning System

Finish:

• Anodized Titanium

Fitment:

• 2010-2011 Yamaha YFZ450X 4x2
• 2009-2020 Yamaha YFZ450R 4x2