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.
Construction: Aluminum with Carbon Fiber End Cap
Features
- 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
FMF Racing Yamaha YZ250F 10-13 SS Alum Factory 4.1 RCT SO Muffler w/ R. Carbon Cap
Manufacturer part number: 044382
Turn 14 part number: fmf044382
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