Skip to product information
1 of 3


FMF Aluminum Factory 4.1 RCT - 042330 - (Slip-On) Carbon Fiber End Cap 2016-2018 Kawasaki KX450F

Regular price $539.99 USD
Regular price $599.99 USD Sale price $539.99 USD
Sale Sold out

FMF Aluminum Factory 4.1 RCT - 042330 - (Slip-On) Carbon Fiber End Cap 2016-2017 Kawasaki KX450F

  See More Products from FMF

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.
  • 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.

Kawasaki KX450F Performance Upgrades Engine Mods and 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