Yamaha YFZ450R 2009 - 2022 FMF Factory 4.1 Titanium Muffler w/Carbon End Cap

FMF Factory 4.1 Titanium Muffler w/Carbon End Cap

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.

Fitment Details

• Yamaha YFZ450R 2009
• Yamaha YFZ450R 2010
• Yamaha YFZ450R 2011
• Yamaha YFZ450R 2012
• Yamaha YFZ450R 2013
• Yamaha YFZ450R 2014
• Yamaha YFZ450R 2015
• Yamaha YFZ450R 2016
• Yamaha YFZ450R 2017
• Yamaha YFZ450R 2018
• Yamaha YFZ450R 2019
• Yamaha YFZ450R 2020
• Yamaha YFZ450R 2021
• Yamaha YFZ450R 2022