Name: Factory 4.1 RCT Exhaust Silencer 19-23 Kawasaki KX 450 F X - FMF 042371
Brand: FMF Exhausts
SKU: 06-9891.F4TA
Price: 715.07 GBP
Availability: InStock

Factory 4.1 RCT Exhaust Silencer 19-23 Kawasaki KX 450 F X - FMF 042371

FMF Exhausts
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Description

Designed for high-performance off-road and motocross competition, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap leverages advanced FMF Resonance Chamber Technology™ for superior power and weight savings. The slip-on muffler features a blue anodised titanium body and carbon end cap, engineered to centralise mass and deliver impressive horsepower gains across the RPM range. Aerospace-grade titanium and 100% American manufacturing ensure unmatched durability and precise fitment for demanding riders.

Features

Closed course use only
Lightweight titanium construction with blue anodised finish
Carbon fibre end cap for enhanced strength and aesthetics
Significant power gain throughout the RPM range
Rapid Tuning System (RTS) for quick adjustments
Shorter overall length for reduced crash susceptibility
Muffler placement optimised for mass centralisation
Includes 94dB quiet insert and spark arrestor screen insert
Precision fitment, manufactured entirely at FMF’s USA facility

Specifications

Item ID: 042371
Type: Slip-on
Configuration: Single
Construction: Titanium
Finish: Blue anodised
Midpipe: Titanium
Endcap: Carbon fibre
Spark Arrestor: Screen insert (included)
Quiet Insert: 94dB insert (included)
Weight: 7.0 lbs
NOT CARB compliant; for closed course only

Vehicle Fitment

Kawasaki

KX450F (2019–2023)
KX450X (2019–2023)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KAWASAKI	KX F 450	2019-2020
KAWASAKI	KX F 450	2019-2021

Factory 4.1 RCT Exhaust Silencer 19-23 Kawasaki KX 450 F X - FMF 042371

FMF Exhausts
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Product form

Designed for high-performance off-road and motocross competition, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap leverages... Read more

2 in stock 1-2 business days

£715.07 Incl. VAT

Guaranteed secure & safe checkout.

SKU: 06-9891.F4TA

Free shipping on all orders above £75

No hassle returns within 30 days

Description

Designed for high-performance off-road and motocross competition, the FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap leverages advanced FMF Resonance Chamber Technology™ for superior power and weight savings. The slip-on muffler features a blue anodised titanium body and carbon end cap, engineered to centralise mass and deliver impressive horsepower gains across the RPM range. Aerospace-grade titanium and 100% American manufacturing ensure unmatched durability and precise fitment for demanding riders.

Features

Closed course use only
Lightweight titanium construction with blue anodised finish
Carbon fibre end cap for enhanced strength and aesthetics
Significant power gain throughout the RPM range
Rapid Tuning System (RTS) for quick adjustments
Shorter overall length for reduced crash susceptibility
Muffler placement optimised for mass centralisation
Includes 94dB quiet insert and spark arrestor screen insert
Precision fitment, manufactured entirely at FMF’s USA facility

Specifications

Item ID: 042371
Type: Slip-on
Configuration: Single
Construction: Titanium
Finish: Blue anodised
Midpipe: Titanium
Endcap: Carbon fibre
Spark Arrestor: Screen insert (included)
Quiet Insert: 94dB insert (included)
Weight: 7.0 lbs
NOT CARB compliant; for closed course only

Vehicle Fitment

Kawasaki

KX450F (2019–2023)
KX450X (2019–2023)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KAWASAKI	KX F 450	2019-2020
KAWASAKI	KX F 450	2019-2021

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.