FMF Factory 4.1 RCT Aluminum Slip-On Exhaust Muffler (044464)

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$747.99
$489.37
(You save $258.62 )
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  • 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)
Compatible Vehicles
Years Make Make Notes
2020-2022 Yamaha WR450F

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