FDY Performance
Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042292
Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042292
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Engineered for performance and durability, the FMF Factory 4.1 RCT Stainless Slip-On exhaust with Carbon End Cap is designed for riders seeking advanced exhaust technology and race-proven power gains. The system utilises exclusive FMF Resonance Chamber Technology™ to optimise exhaust flow and power delivery while achieving a lightweight, crash-resistant, and mass-centralised muffler profile. Manufactured in the USA using aerospace-grade materials, this slip-on offers a significant performance upgrade and striking looks for motocross enthusiasts.
Features
- Incorporates FMF Resonance Chamber Technology™ for enhanced power and throttle response
- Shortened overall length for reduced crash vulnerability and improved mass centralisation
- Constructed from aerospace grade natural aluminium with an elegant carbon end cap
- Includes Rapid Tuning System (RTS) for quick setup and adjustment
- Delivers massive power gains throughout the RPM range
- Provides substantial weight savings compared to stock exhausts
- Features a removable 94dB quiet insert and screen-type spark arrestor (both included)
- Closed course use only
Specifications
- Type: Slip-On
- Configuration: Single
- Construction: Aluminium
- Finish: Natural
- Midpipe: Stainless Steel
- End Cap: Carbon
- Spark Arrestor: Screen insert (included)
- Quiet Insert: 94dB insert (included)
- Weight: 5 lbs
- Notice: Closed course use only
- FMF Item ID: 042292
Vehicle Fitment
Kawasaki
- KX450F (2012–2015)
FDY Performance – Engineered for riders who demand more.
At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.
We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.
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