Factory 4.1 RCT Exhaust Silencer 09-16 Kawasaki KX 250 F - FMF 042290
The FACTORY 4.1 RCT Stainless Slip-On with Carbon End Cap utilises FMF Resonance Chamber Technology internally and externally for enhanced performance and durability. This slip-on features a shortened design for improved crash protection and mass centralisation, positioning the muffler closer to the engine. Constructed from aerospace-grade materials, it offers significant weight savings. The muffler is aluminium with a natural finish and a carbon end cap, while the midpipe is stainless steel. It includes FMF's proprietary alloy blend for consistency, the Rapid Tuning System (RTS) for adjustments, a spark arrestor screen insert, and a 94dB quiet insert. This product is for closed course use only. Weight is 5 lbs. Manufacturer: FMF Exhausts. Item ID: 042290.
- SKU
- 06-1753.FMF.FAC
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
FULL DESCRIPTION
FMF Factory 4.1 RCT Exhaust Silencer
Experience a significant leap in performance with the FMF Factory 4.1 RCT Stainless Slip-On Exhaust Silencer. This silencer features an advanced FMF Resonance Chamber Technology™ design, both internally and externally, to deliver superior power and enduring durability.
Engineered with a shortened profile, this slip-on design promotes better mass centralization and enhances protection by positioning the muffler closer to the engine. Crafted from aerospace-grade materials in Southern California, it offers an exceptional strength-to-weight ratio, making it an ideal upgrade for demanding riding conditions.
Key Features:
- Closed Course Use Only
- Shortened muffler design for improved crash protection and mass centralization
- Incorporates FMF's latest internal and external Resonance Chamber Technology™
- Constructed using aerospace-grade materials for premium durability
- Aluminium muffler body paired with a carbon fiber end cap for an optimal strength-to-weight ratio
- Delivers substantial power gains across the entire RPM range
- Features FMF's proprietary alloy blend for consistent performance and reliability
- Includes the Rapid Tuning System (RTS) for easy on-the-fly adjustments
- Comes with a spark arrestor screen insert and a 94dB quiet insert
- Proudly manufactured entirely in Southern California
Specifications:
- Type: Slip-On
- Muffler Material: Aluminium (Natural Finish)
- Midpipe Material: Stainless Steel
- Endcap Material: Carbon Fiber
- Approximate Weight: 5 lbs
- Spark Arrestor: Screen insert included
- Quiet Insert: 94dB insert included


