Description
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 |
|---|---|---|
| GAS GAS | EC250F | 21 |
| GAS GAS | EC350F | 21 |
| HUSQVARNA | FE250 | 20-21 |
| HUSQVARNA | FE350 | 20-22 |
| HUSQVARNA | FE450 | 20-23 |
| HUSQVARNA | FE501 | 20-22 |
| KTM | 350 XCF-W | 20-22 |
| KTM | 450 XCF-W | 20-23 |
| KTM | 500 XCF-W | 20-22 |
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