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 -
Flash Sale Ongoing
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 |
|---|---|---|---|
| 2017-2019 | KTM | 250 EXC-F | Base |
| 2016-2018 | KTM | 250 SX-F | Base |
| 2015-2016 | KTM | 250 SX-F Factory Edition | Base |
| 2016-2018 | KTM | 250 XC-F | Base |
| 2017-2019 | KTM | 350 EXC-F | Base |
| 2016-2018 | KTM | 350 SX-F | Base |
| 2016-2018 | KTM | 350 XC-F | Base |
| 2018-2019 | KTM | 450 EXC-F | Base |
| 2016-2018 | KTM | 450 SX-F | Base |
| 2015-2017 | KTM | 450 SX-F Factory Edition | Base |
| 2016-2018 | KTM | 450 XC-F | Base |
| 2017-2019 | KTM | 500 EXC-F | Base |
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