Description
The FMF Factory 4.1 RCT Stainless Slip-On with Carbon End Cap combines cutting-edge Resonance Chamber Technologyª with a refined, compact design. Engineered with aerospace-grade materials and manufactured in Southern California, this slip-on delivers significant power gains throughout the rev range, substantial weight savings, and optimised mass centralisation for enhanced handling. It features a sleek natural aluminium muffler paired with a carbon end cap and includes both a spark arrestor and a 94dB quiet insert.
Features
- Incorporates the latest FMF Resonance Chamber Technologyª (RCT) both internally and externally
- Factory Forward EngineeringÐreduced muffler length, optimised for improved mass centralisation and crash resistance
- Aerospace grade materials for maximum durability and performance
- Natural aluminium muffler with carbon fibre end cap for premium aesthetics and reduced weight
- Delivers substantial power gains across the entire RPM range
- Massive reduction in overall weight for improved handling
- Rapid Tuning System (RTS) for easy adjustments
- Screen-type spark arrestor and 94dB quiet insert included
- Manufactured entirely in Southern California
- Closed course use only
Specifications
- FMF Item ID: 041517
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium
- Finish: Natural
- Midpipe: Stainless Steel
- Endcap: Carbon fibre
- Spark Arrestor: Screen insert (included)
- Quiet Insert: 94dB insert (included)
- Weight: 5 lbs
- Carburettor Warning: No
Vehicle Fitment
Honda
- CRF450X (2005Ð2009, 2012Ð2017)