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)

Fitment:
Yamaha YFZ450R Base 2009
Yamaha YFZ450R Base 2010
Yamaha YFZ450R Base 2011
Yamaha YFZ450R Base 2012
Yamaha YFZ450R Base 2013
Yamaha YFZ450R Base 2014
Yamaha YFZ450R Base 2015
Yamaha YFZ450R Base 2016
Yamaha YFZ450R Base 2017
Yamaha YFZ450R Base 2018
Yamaha YFZ450R Base 2019
Yamaha YFZ450R Base 2020
Yamaha YFZ450R Base 2021
Yamaha YFZ450R Base 2022
Yamaha YFZ450R Base 2023
Yamaha YFZ450R Base 2024
Yamaha YFZ450R Base 2025
Yamaha YFZ450R Base 2026
Yamaha YFZ450R SE Base 2009
Yamaha YFZ450R SE Base 2010
Yamaha YFZ450R SE Base 2011
Yamaha YFZ450R SE Base 2012
Yamaha YFZ450R SE Base 2013
Yamaha YFZ450R SE Base 2014
Yamaha YFZ450R SE Base 2015
Yamaha YFZ450R SE Base 2016
Yamaha YFZ450R SE Base 2017
Yamaha YFZ450R SE Base 2018
Yamaha YFZ450R SE Base 2019
Yamaha YFZ450R SE Base 2020
Yamaha YFZ450R SE Base 2021
Yamaha YFZ450R SE Base 2022
Yamaha YFZ450R SE Base 2023
Yamaha YFZ450R SE Base 2024
Yamaha YFZ450R SE Base 2025
Yamaha YFZ450R SE Base 2026
Yamaha YFZ450X Base 2010
Yamaha YFZ450X Base 2011