2Bros Parts

Factory 4.1 RCT Exhaust Silencer 25-25 Kawasaki KX 250 F X - FMF 042412

£847.22

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Free UK delivery 2–4 business days

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The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust with Carbon Cap is engineered for competitive performance gains and weight reduction. It utilizes FMF Resonance Chamber Technology™ for optimized mass centralization and a shorter, forward-positioned design to reduce crash vulnerability. This exhaust system is manufactured entirely in Southern California from proprietary aerospace-grade titanium and carbon. Features include advanced FMF Resonance Chamber Technology™ for optimum power delivery, a short, centralized design to reduce crash damage and improve handling, and construction from aerospace grade titanium and carbon fibre. It has a blue anodized titanium muffler with a carbon fibre end cap for reduced weight, massive power gains across the entire RPM range, significant overall weight savings compared to stock, and a Rapid Tuning System (RTS) for easy adjustments. A 94dB quiet insert and spark arrestor screen are included. Specifications include Item ID: 042412, Type: Slip-On, Configuration: Single, Construction: Titanium, Finish: Black Anodized, Midpipe: Titanium, Endcap: Carbon fibre, Spark Arrestor: Screen insert (included), Quiet Insert: 94dB insert (included), Carb Warning: No. This product is for closed course use only.

Specifications
SKU
07-4004.F41.T
Brand
FMF Exhausts
Availability
In Stock (2)

Fitments (2)

MakeModelYear
KAWASAKIKX 250F2025
KAWASAKIKX 250X2025
SKU
07-4004.F41.T
Brand
FMF Exhausts
Availability
In Stock (2)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust with Carbon Cap

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust with Carbon Cap is engineered to deliver competitive performance gains and weight reduction for cutting-edge motocross and cross-country machines. Utilising the latest FMF Resonance Chamber Technology inside and out, this exhaust system features a shorter, forward-positioned design for reduced crash vulnerability and optimised mass centralisation. Manufactured entirely from proprietary aerospace-grade titanium and carbon, the Factory 4.1 RCT sets a benchmark for quality, durability, and advanced tuning.

Key Features:

  • Advanced FMF Resonance Chamber Technology for optimum power delivery.
  • Short, centralised design reduces crash damage and improves handling.
  • Crafted exclusively from aerospace grade titanium and carbon fibre.
  • Blue anodised titanium muffler with carbon fibre end cap for reduced weight.
  • Massive power gains across the entire RPM range.
  • Significant overall weight savings compared to stock.
  • Rapid Tuning System for easy adjustments.
  • 94dB quiet insert and spark arrestor screen included.
  • Manufactured 100% in Southern California for assured quality.
  • Closed course use only.

Specifications:

  • Type: Slip-On
  • Configuration: Single
  • Construction Material: Titanium
  • Muffler Finish: Black Anodised
  • Midpipe Material: Titanium
  • Endcap Material: Carbon fibre
  • Spark Arrestor Type: Screen insert (included)
  • Quiet Insert: 94dB insert (included)
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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