Description
The FACTORY 4.1 RCT Stainless Slip-On with Carbon End Cap utilises advanced FMF Resonance Chamber Technologyª, both internally and externally, to deliver class-leading performance and durability. Engineered for racers seeking significant power improvements, this slip-on positions the muffler closer to the engine for better mass centralisation and reduced crash vulnerability. Constructed exclusively from aerospace-grade materials in Southern California, it combines robust build quality with exceptional weight savings, ideal for demanding off-road and motocross environments.
Features
- Notice: Closed Course Use Only
- Shortened design for improved crash protection and mass centralisation
- Utilises FMF's latest internal/external Resonance Chamber Technologyª
- Aerospace-grade construction for premium durability
- Aluminium muffler with a carbon end cap for optimised strength-to-weight ratio
- Massive power gains across the RPM range
- FMF proprietary alloy blend for consistency and reliability
- Inclusive Rapid Tuning System (RTS) for convenient adjustments
- Includes spark arrestor screen insert and 94dB quiet insert
- Manufactured entirely in Southern California
Specifications
- Type: Slip-On
- Configuration: Single
- Muffler Material: Aluminium (Natural Finish)
- Midpipe Material: Stainless Steel
- Endcap: Carbon
- Weight: 5 lbs
- Spark Arrestor: Screen insert (included)
- Quiet Insert: 94dB insert (included)
- Item ID: 042290
Vehicle Fitment
Kawasaki
- KX250F (2009Ð2016)

