END OF LINE Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042284
END OF LINE Factory 4.1 RCT Exhaust Silencer. Incorporating Resonance Chamber Technology. Patented core shape lowers sound level while maintaining maximum power output. Patented canister shape increases internal volume for more sound absorbing material. Patented chamber design to enhance and refine exhaust pressure. Factory Forward Engineering centralizes mass and is less prone to crash damage. Tuned exhaust with optimized core specifications for each application. Comes with the quality craftsmanship and performance expected from FMF. Meets AMA and FIM sound requirements. Spark arrestor included in muffler. Built 100% in the U.S.A. Maintenance made easy with the removal of 4 screws on the front end cap. Part No. 042284.
- SKU
- 06-1758.FMF.FTN
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
FULL DESCRIPTION
FMF Factory 4.1 RCT Exhaust Silencer
Experience the pinnacle of exhaust performance with the FMF Factory 4.1 RCT Exhaust Silencer. Engineered for maximum power output and reduced sound levels, this silencer is built with FMF's renowned quality and craftsmanship.
Key Features:
- Resonance Chamber Technology: Incorporates advanced technology for improved exhaust flow and sound management.
- Patented Core Shape: Designed to lower sound levels without compromising peak power performance.
- Patented Canister Shape: Increases internal volume, allowing for more sound-absorbing material to be utilized.
- Patented Chamber Design: Refines exhaust pressure for a smoother and more powerful delivery.
- Factory Forward Engineering: Centralizes mass, reducing susceptibility to crash damage and improving bike dynamics.
- Tuned Exhaust: Optimized core specifications for each specific application ensure peak performance.
- Meets Sound Requirements: Complies with AMA and FIM sound regulations.
- Spark Arrestor Included: Integrated spark arrestor for safe off-road operation.
- Premium Construction: Built 100% in the USA at FMF's state-of-the-art factory.
- Easy Maintenance: Features a removable front end cap secured by four screws for straightforward maintenance.


