Fmf Factory 4.1 Rct Muffler - Aluminum 045628

• 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)

KTM -- 450 SX-F FE -- (2020, 2019, 2018); KTM -- 350 XC-F -- (2018, 2021, 2022, 2020, 2019); KTM -- 450 SX-F -- (2019, 2018, 2022, 2021, 2020); KTM -- 450 XC-F -- (2018, 2019, 2022, 2021, 2020); KTM -- 350 SX-F -- (2018, 2021, 2022, 2019, 2020); Husqvarna -- FX 350 -- (2019, 2021, 2022, 2020); Husqvarna -- FX 450 -- (2019, 2021, 2022, 2020); Husqvarna -- FC 450 -- (2021, 2021, 2022, 2019, 2020); Husqvarna -- FC 350 -- (2021, 2022, 2019, 2020); Gas Gas -- EX 350F -- (2022, 2023, 2021); Gas Gas -- EX 450F -- (2021, 2022, 2023); Gas Gas -- MC 350F -- (2022, 2023); Gas Gas -- MC 450F -- (2022, 2021, 2023)