Skip to product information
1 of 3

FMF

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap - 044453 - 2019-2022 Yamaha YZ250F / YZ250FX

Regular price $584.95 USD
Regular price $649.99 USD Sale price $584.95 USD
Sale Sold out

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber Rear End Cap

                                                                       See More Products from FMF

Fitment - 2019-2022 Yamaha YZ250F / 2020-2022 Yamaha YZ250FX 

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
  • Quiet Core 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.

More performance products check out Yamaha YZ250F performance section

Moto-House MX - Choice of Champions - Best Motocross Shop in Central Florida