COVID ALERT ON FMF.
Because of material supply issues and manufacturing lead times our stock on FMF products is very hit and miss as of August 2020. If you need to check immediate stock on a product please shoot us a call or an email. Otherwise an order placed will be fulfilled when we get our intermittent re supply shipments.
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.
FOR ANY FITMENT QUESTIONS CONTACT US
TYPE A (PN#045634)
- 19-20 FC 250
- 19-20 250 XC-F, SX-F
TYPE B (PN#045636)
- 19-20 FC, FX 350
- 19-20 350 XC-F, SX-F
TYPE C (PN#045650)
- 20 FEs, FE 350 (no O2 sensor bung)
- 20 350 EXC-F, XCF-W (no O2 sensor bung)
TYPE D (PN#045638)
- 19-20 FC, FX 450
- 19-20 450 XC-F, SX-F
- 18,20 FC 450 ROCKSTAR EDITION
- 18 450 SX-F FACTORY EDITION
TYPE E (PN#045662)
- 20 FEs, FE 501 (no O2 sensor bung)
- 20 500 EXC-F, XCF-W (no O2 sensor bung)