 
    
045670
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 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 specifically to our standards.
-See Features Tab -> Fitment for header compatibility
| Make | Model | Year | 
|---|---|---|
| GAS GAS | EC 250F | 25 | 
| GAS GAS | EC350F | 25-26 | 
| GAS GAS | EX 250F | 24-25 | 
| GAS GAS | EX 350F | 24-25 | 
| GAS GAS | MC 250F | 24-26 | 
| GAS GAS | MC 250F FACTORY EDITION | 23 | 
| GAS GAS | MC 350F | 24-25 | 
| HUSQVARNA | FC 250 | 23-25 | 
| HUSQVARNA | FC 250 ROCKSTAR EDITION | 22 | 
| HUSQVARNA | FC 350 | 23-25 | 
| HUSQVARNA | FE 250 | 25 | 
| HUSQVARNA | FE 350W | 24 | 
| HUSQVARNA | FX 350 | 23-25 | 
| KTM | 250 SX-F | 23-26 | 
| KTM | 250 SX-F FACTORY EDITION | 22 | 
| KTM | 250 XC-F | 23-26 | 
| KTM | 350 SX-F | 23-26 | 
| KTM | 350 XC-F | 23-25 | 
 
         
       
                 
                 
                 
                