Description

FMF Racing® Factory 4.1 RCT Titanium Slip-On Muffler 044444

2020 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450FX
2018-2020 Yamaha YZ450F

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:

• The Factory 4.1 RCT incorporates FMF’s Resonance Chamber Technology™ both internally and externally
• In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
• Massive Power gains throughout the RPM range.
• Huge weight savings
• RTS (Rapid Tuning System)

Finish:

• Configuration: Single
• Const: Titanium
• Finish: Natural
• Midpipe: Titanium
• Endcap: Titanium

Fitment:

• 2020 Yamaha YZ450FX
• 2019 Yamaha WR450F
• 2019 Yamaha YZ450FX
• 2018-2020 Yamaha YZ450F