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FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 450 Gas Gas/Husqvarna/KTM 2019-2022 045639 1820-1876

SKU 045639
by FMF
Sold out
Original price $1,279.99
Original price $1,279.99 - Original price $1,279.99
Original price $1,279.99
Current price $1,152.00
$1,152.00 - $1,152.00
Current price $1,152.00


  • The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • Includes MegaBomb header
  • Includes spark arrestor screen insert
2021-2022 Gas Gas MC 450F - -
2021-2022 Gas Gas EX 450F - -
2019-2022 KTM 450 SX-F - -
2019-2022 KTM 450 XC-F - -
2019-2022 Husqvarna FX 450 - -
2018-2022 Husqvarna FC 450 - -
2018-2020 KTM 450 SX-F FE - -

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