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 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.
| Year | Make | Model |
|---|---|---|
| 2007-2015 | KTM | 450 SX-F |
| 2008 | KTM | 450 EXC-R |
| 2008 | KTM | 505 SX-F |
| 2008 | KTM | 530 EXC-R |
| 2009-2015 | KTM | 250 SX-F |
| 2009 | KTM | 250 XC-F |
| 2009-2016 | KTM | 250 XCF-W |
| 2009-2010 | KTM | 400 XC-W |
| 2009 | KTM | 450 XC-F |
| 2009-2010 | KTM | 450 XC-W |
| 2009-2010 | KTM | 530 XC-W |
| 2011-2015 | KTM | 350 SX-F |
| 2012-2015 | KTM | 250 XC-F |
| 2012-2015 | KTM | 350 XC-F |
| 2012-2016 | KTM | 350 XCF-W |
| 2012-2013 | KTM | 450 SX-F Factory Edition |
| 2012-2016 | KTM | 450 XC-W |
| 2012-2016 | KTM | 500 EXC |
| 2013-2014 | Husaberg | FE250 |
| 2013-2014 | Husaberg | FE350 |
| 2013-2014 | Husaberg | FE501 |
| 2013-2015 | KTM | 450 XC-F |
| 2013-2016 | KTM | 500 XC-W |
| 2014-2016 | Husqvarna | FE250 |
| 2014-2016 | Husqvarna | FE350 |
| 2015-2016 | Husqvarna | FE450 |
- MAP:
- Yes