FMF Racing YFZ450 Factory 4.1 S/O Anodized Titanium Muffler
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All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!
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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)
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2025 | Yamaha | YFZ450R | Base |
| 2009-2025 | Yamaha | YFZ450R SE | Base |
| 2010-2011 | Yamaha | YFZ450X | Base |