Skip to product information
1 of 1

FMF Factory 4.1 RCT Muffler - Anodized Titanium KTM 350/450 SX-F 2018-2022 045629 1821-1921

FMF Factory 4.1 RCT Muffler - Anodized Titanium KTM 350/450 SX-F 2018-2022 045629 1821-1921

Regular price $668.80 USD
Regular price $759.99 USD Sale price $668.80 USD
Sale Sold out
Shipping calculated at checkout.
  • 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)
2019-2022 Husqvarna FC 450 - -
2019-2022 Husqvarna FX 350 - -
2019-2022 Husqvarna FC 350 - -
2019-2022 Husqvarna FX 450 - -
2018-2022 KTM 350 SX-F - -
2018-2022 KTM 450 SX-F - -
2018-2022 KTM 450 XC-F - -
2018-2022 KTM 350 XC-F - -
2018-2020 KTM 450 SX-F FE - -

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
View full details