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FMF

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap 2019-2021 Kawasaki KX450F 042369

Regular price $539.95 USD
Regular price $599.99 USD Sale price $539.95 USD
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FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber Rear End Cap 042369

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Fitment - 2019-2021 Kawasaki KX450F / KX450

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.

  • RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
  • Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
  • FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
  • Compatible with stock header or FMF header
  • Meet AMA and FIM sound requirements
  • QuietCore 94db insert included
  • Spark arrestor included in muffler
  • Made in the U.S.A.
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: 94dB Insert (included)
  • Weight: 5 lbs.

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