FMF Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042292

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)

Supplier SKU: 06-1758.FMF.FAC. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.