FMF Factory 4.1 Exhaust System ’20-23 KTM 500 XCF-W/Husqvarna FE 501 | 045662
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 with Carbon Fiber End Cap
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- FMF uses the highest quality proprietary blend stainless steel made especially to our standards.
Fitment:
| Make | Model | Year |
|---|---|---|
| HUSQVARNA | FE501 | 20-22 |
| KTM | 500 XCF-W | 20-22 |
