Factory 4.1 RCT TITANIUM for YAMAHA Models
Made for: WR250F, YZ250F, YZ250FX, WR450F, YZ450F, YZ450FX
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.
- 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 especially to our standards.
- Carbon fiber end caps.
CHOOSE your MODEL and YEAR and MATERIAL in the drop-down tab for the perfect fit..