Description
Engineered for serious performance, the FMF Racing Factory 4.1 RCT Stainless Slip-On with Carbon End Cap delivers cutting-edge power gains and significant weight savings for competitive riders. Utilising FMF Resonance Chamber Technologyª internally and externally, this slip-on muffler shortens overall length to reduce crash vulnerability and enhances mass centralisation, thereby improving handling. Crafted with aerospace-grade aluminium, stainless steel, and a carbon fibre end cap, each unit is manufactured entirely at FMFÕs Southern California facility for uncompromising quality and reliability.
Features
- Advanced FMF Resonance Chamber Technologyª for improved exhaust efficiency and performance
- Factory Forward Engineering for centralised mass and better handling
- Aerospace-grade natural aluminium construction with durable carbon fibre end cap
- Significant power gains across the RPM spectrum
- Noticeably lighter than stock systems for enhanced agility
- 94dB quiet insert and spark arrestor (screen type) included for versatility
- New Rapid Tuning System (RTS) for quick adjustments
- Closed course use only
Specifications
- Item ID: 044443
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium (muffler), Stainless Steel (midpipe), Carbon Fibre (end cap)
- Finish: Natural
- Includes: Screen insert spark arrestor, 94dB quiet insert
- Carb Warning: No
Vehicle Fitment
YAMAHA
- WR450F (2019Ð2024)
- YZ450F (2018Ð2026)
- YZ450FX (2019Ð2025)