**FMF’s are in and out of stock based on availability from the manufacturer, call us to confirm if one you need is in stock at the time of order**
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.
Includes spark arrestor screen
-Available in Blue Anodized Titanium 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.
FOR ANY FITMENT QUESTIONS CONTACT US
TYPE A (PN#045635)
- 19-20 FC 250
- 19-20 250 XC-F, SX-F
TYPE B (PN#045637)
- 19-20 FC/FX 350
- 19-20 350 XC-F, SX-F
TYPE C (PN#045653)
- 20 FEs, FE 350 (no O2 sensor bung)
- 20 350 EXC-F, XCF-W (no O2 sensor bung)
TYPE D (PN#045639)
- 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#045663)
- 20 FEs, FE 501 (no O2 sensor bung)
- 20 500 EXC-F, XCF-W (no O2 sensor bung)