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FMF
FMF Factory 4.1 RCT Slip-On Exhaust
$356.24$854.99
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$374.99$899.99
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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:
- Beta
- 450 RX 2024-2025
- Gas Gas
- EX 250F 2021-2023
- EX 350F 2021-2023
- EX 450F 2021-2023
- MC 250F 2021-2023
- MC 350F 2023
- MC 450F 2021-2023
- Honda
- CRF250R 2022-2024
- CRF250R 2025-2026
- CRF250R Works Edition 2025-2026
- CRF250RX 2022-2024
- CRF250RX 2025-2026
- CRF450X 2005-2017
- CRF450X 2019-2026
- 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 2019-2022
- 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
- FX350 2017-2018
- FX350 2019-2022
- FX450 2017-2018
- FX450 2019-2022
- 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 2012-2016
- 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 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
- 450 XC-W Six Days 2010-2011
- 500 EXC 2012-2016
- 500 EXC 2017
- 500 EXC-F 2018-2019
- 500 XCF-W 2020-2022
- Kawasaki
- KX250 2019-2020
- KX250 2021-2024
- KX250 2025-2026
- KX250F 2009-2016
- KX250F 2017-2018
- KX250X 2021-2024
- KX250X 2025-2026
- KX450 2024-2026
- KX450 2019-2023
- KX450 50th Anniversary Edition 2024
- KX450F 2009-2011
- KX450SR 2022-2026
- KX450X 2021-2023
- Triumph
- TF250X 2024-2025
- TF450RC Edition 2025
- Yamaha
- WR250F 2020-2024
- WR450F 2020
- WR450F 2019
- YZ250F 2019-2026
- YZ250F 50th Anniversary Edition 2024
- YZ250F 70th Anniversary Edition 2026
- YZ250F Monster Energy Race Edition 2022-2025
- YZ250FX 2020-2025
- YZ450F 2018-2026
- YZ450F 50th Anniversary Edition 2024
- YZ450F Monster Energy Race Edition 2022-2025
- YZ450FX 2019-2026
