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.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2007-2015 |
KTM |
250 SX-F |
Base |
| 2009-2015 |
KTM |
250 XC-F |
Base |
| 2007-2016 |
KTM |
250 XCF-W |
Base |
| 2011-2015 |
KTM |
350 SX-F |
Base |
| 2011-2015 |
KTM |
350 XC-F |
Base |
| 2012-2016 |
KTM |
350 XCF-W |
Base |
| 2009-2010 |
KTM |
400 XC-W |
Base |
| 2009-2011 |
KTM |
450 EXC |
Base |
| 2007-2009 |
KTM |
450 SMR |
Base |
| 2007-2015 |
KTM |
450 SX-F |
Base |
| 2012-2014 |
KTM |
450 SX-F Factory Edition |
Base |
| 2007-2015 |
KTM |
450 XC-F |
Base |
| 2009-2010,2012-2016 |
KTM |
450 XC-W |
Base |
| 2013-2016 |
KTM |
500 XC-W |
Base |
| 2008 |
KTM |
505 SX-F |
Base |
| 2008-2009 |
KTM |
505 XC-F |
Base |
| 2008 |
KTM |
530 EXC-R |
Base |
| 2009-2010 |
KTM |
530 XC-W |
Base |
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