Skip to product information
1 of 3


FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap 2019-2023 Kawasaki KX450F 042369

Regular price $539.95 USD
Regular price $599.99 USD Sale price $539.95 USD
Sale Sold out

FMF Aluminum Factory 4.1 RCT (Slip-On) Carbon Fiber Rear End Cap 042369

                                                                       See More Products from FMF

Fitment - 2019-2023 Kawasaki KX450F / 2021 KX450X

The latest in FMF Resonance Chamber Technology™ both internally and externally are featured in the Factory 4.1 RCT exhaust system for the Kawasaki KX450F. In addition, we have achieved 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 aluminum that meet our exacting specifications and is manufactured 100% at FMF Racing Southern California factory.

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

  • The exhaust system for the Kawasaki KX450F features the latest in Resonance Chamber Technology
  • RCT Technology, delivering maximum power output while minimizing sound level
  • It boasts a patented canister shape that increases internal volume, allowing for more sound absorbing material
  • The factory forward engineering adds to the durability of the system and ensures that it is less prone to crash damage.
  • Additionally, the exhaust is tuned with optimized core specifications for each bike and an innovative rear endcap, allowing for easy installation of tuning tip inserts or spark arrestor.

See More Kawasaki KX450F Performance Upgrades Engine Mods Accessories

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

  • Moto-house MX Offers Free shipping over $65 dollars

    Free Shipping

    Orders over $65 Ship Free in the continental 48 States