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Description

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory Massive Power gains throughout the RPM range. Huge weight savings RTS (Rapid Tuning System) Fitment: WR450F(2019) YZ450F(2022,2021,2020,2019,2018) YZ450FX(2022,2021,2020,2019)

Bike Fitment

2022 Yamaha WR450F
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2021 Yamaha WR450F
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2020 Yamaha WR450F
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450F
2018 Yamaha YZ450FX

FMF FACTORY 4.1 RCT SLIP ON ANO TI W/CARB CAP YZ450F/YZ450FX

$689.99

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dwalling

Description

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory Massive Power gains throughout the RPM range. Huge weight savings RTS (Rapid Tuning System) Fitment: WR450F(2019) YZ450F(2022,2021,2020,2019,2018) YZ450FX(2022,2021,2020,2019)

Bike Fitment

2022 Yamaha WR450F
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2021 Yamaha WR450F
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2020 Yamaha WR450F
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450F
2018 Yamaha YZ450FX