FMF Factory 4.1 Aluminum Slip-On Silencer Yamaha ’19-22 YZ250F/’20-22 YZ250FX | 044453
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.
- Available in Natural Aluminum Muffler with Carbon End Cap
- 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.
Fitment:
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ250F | 19-22 |
| YAMAHA | YZ250FX | 20-22 |
