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FMF Factory 4.1 RCT Slip-On Exhaust
The FMF Factory 4.1 RCT Slip-On muffler incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering which moves the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from aerospace grade materials that meet FMF’s exacting specifications and is manufactured 100% in their Southern California factory.
Features:
- Massive power gains throughout the RPM range
- Huge weight savings over stock exhaust
- RTS (Rapid Tuning System) for quick and easy trackside tuning
- Removable spark arrestor included
- 100% made in the USA
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This Product Fits:
- Gas Gas
- EX 250F 2021-2023
- EX 350F 2021-2023
- EX 450F 2021-2023
- MC 250F 2021-2023
- MC 350F 2022-2023
- MC 450F 2021-2023
- Honda
- CRF250R 2011-2013
- CRF250R 2014-2017
- CRF250R 2022-2023
- CRF250R 2018-2021
- CRF250RX 2022-2023
- CRF250RX 2019-2021
- CRF450R 2011-2012
- CRF450R 2013-2016
- CRF450R 2017-2018
- CRF450R 2019-2020
- CRF450R 2021-2022
- CRF450R-S 2022
- CRF450R-S 2023
- CRF450R Works Edition 2021-2022
- CRF450RX 2017-2018
- CRF450RX 2019-2020
- CRF450RX 2021-2022
- CRF450X 2005-2017
- CRF450X 2019-2023
- Grom MSX125 2014-2015
- Husqvarna
- FC250 2014-2015
- FC250 2016-2017
- FC250 2019-2022
- FC350 2015
- FC350 2016-2017
- FC350 2019-2022
- FC450 2014-2015
- FC450 2016-2017
- FC450 2018-2022
- FC450 Rockstar Edition 2018-2021
- FE250 2020
- FE250 2017-2019
- FE250 2014-2016
- FE350 2020-2022
- FE350 2017-2019
- FE350 2014-2016
- FE450 2023
- FE450 2017-2019
- FE450 2015-2016
- FE501 2020-2022
- FE501 2014-2016
- FE501 2017-2019
- FS450 2021-2022
- FX350 2017-2018
- FX350 2019-2022
- FX450 2017-2018
- FX450 2019-2022
- TC449 2011-2013
- KTM
- 250 EXC-F 2017-2019
- 250 SX-F 2016-2018
- 250 SX-F 2019-2022
- 250 SX-F 2009-2015
- 250 SX-F Factory Edition 2015-2017
- 250 SX-F Factory Edition 2021
- 250 XC-F 2016-2018
- 250 XC-F 2019-2022
- 250 XC-F 2009-2015
- 250 XCF-W 2009-2015
- 350 EXC-F 2017-2019
- 350 SX-F 2016-2018
- 350 SX-F 2019-2022
- 350 SX-F 2011-2015
- 350 XC-F 2016-2018
- 350 XC-F 2019-2022
- 350 XC-F 2011-2015
- 350 XC-F Kailub Russell 2021
- 350 XCF-W 2020-2022
- 350 XCF-W 2012-2016
- 400 XC-W 2009-2010
- 450 EXC 2009-2011
- 450 EXC-F Six Days 2017-2019
- 450 EXC-R 2008
- 450 SMR 2021-2022
- 450 SMR 2013
- 450 SX-F 2016-2018
- 450 SX-F 2019-2022
- 450 SX-F 2007-2015
- 450 SX-F Factory Edition 2015-2017
- 450 SX-F Factory Edition 2018-2021
- 450 SX-F Factory Edition 2012-2014
- 450 XC-F 2016-2018
- 450 XC-F 2019-2022
- 450 XC-F 2009-2015
- 450 XCF-W 2023
- 450 XC-W 2009-2015
- 500 EXC 2017
- 500 EXC 2012-2016
- 500 EXC-F 2018-2019
- 500 XCF-W 2020-2022
- 500 XCF-W 2012-2014
- 500 XC-W 2013-2015
- 505 SX-F 2008
- 505 XC-F 2008-2009
- 530 EXC 2009-2011
- 530 EXC-R 2008
- 530 XC-W 2009-2010
- Kawasaki
- KX250 2019-2020
- KX250 2021-2022
- KX250F 2009-2016
- KX250F 2017-2018
- KX250X 2021-2022
- KX450 2019-2023
- KX450F 2009-2011
- KX450F 2012-2015
- KX450F 2016-2017
- KX450SR 2022-2023
- KX450X 2021-2023
- Yamaha
- WR250F 2020-2023
- WR250F 2015-2019
- WR450F 2020
- WR450F 2019
- WR450F 2016-2017
- YZ250F 2010-2013
- YZ250F 2019-2023
- YZ250F 2014-2018
- YZ250F Monster Energy Race Edition 2022-2023
- YZ250FX 2020-2023
- YZ250FX 2015-2019
- YZ450F 2010-2013
- YZ450F 2018-2022
- YZ450F 2014-2017
- YZ450F Monster Energy Race Edition 2022
- YZ450FX 2019-2020
- YZ450FX 2016-2017
