Description
The FMF Racing Factory 4.1 RCT Stainless Slip-On with Carbon End Cap is engineered for riders seeking cutting-edge performance through advanced Resonance Chamber Technologyª. Featuring a carbon end cap and a compact design for reduced vulnerability to crash damage, this slip-on silencer centralises mass and delivers exceptional power gains across the RPM range. Constructed exclusively from aerospace-grade materials in Southern California, it provides significant weight savings and is optimised for rapid tuning and easy fitment.
Features
- Advanced FMF Resonance Chamber Technologyª internal and external design
- Shortened, crash-resistant structure with Factory Forward Engineering
- Significant power boosts throughout the entire RPM band
- Lightweight aluminium canister with carbon end cap
- Rapid Tuning System for quick adjustments
- Manufactured from premium alloy-grade titanium and stainless steel
- 94dB quiet insert and spark arrestor screen included
- Designed for closed course use only
Specifications
- Item ID: 042403
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium (muffler), Stainless Steel (midpipe), Carbon (end cap)
- Finish: Gray anodised
- Spark Arrestor: Screen insert included
- Quiet Insert: 94dB insert included
- Carb Warning: No
- Intended use: Closed course
Vehicle Fitment
Kawasaki
- KX450F (2024Ð2025)
- KX450X (2024Ð2025)