2Bros Parts

Factory 4.1 RCT Exhaust Silencer 25-26 Honda CRF 250 R RX - FMF 041618

$707.61

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

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Delivering massive performance gains across the RPM range, the FMF Factory 4.1 RCT Stainless Slip-On with Carbon End Cap uses advanced Resonance Chamber Technology and Factory Forward Engineering to move the muffler closer to the engine. This construction enhances mass centralisation and reduces susceptibility to crash damage thanks to a shorter overall length. Precision built from aerospace-grade materials and manufactured in Southern California, this slip-on provides significant weight savings, rapid tuning features, and a carbon end cap for ultimate strength and style. Features include FMF Resonance Chamber Technology for optimum power and sound, engineered for improved mass centralisation and reduced crash damage. Constructed from premium aerospace-grade aluminium and stainless steel, it has a lightweight design with carbon end cap for enhanced durability. Includes screen-type spark arrestor and 94dB quiet insert as standard. RTS Rapid Tuning System for easy adjustments. 100% made in the USA. For closed course use only. Specifications: Item ID 041618, Type Slip-On, Configuration Single. Muffler Construction Aluminium, natural finish, grey anodised. End Cap Carbon fibre. Midpipe Material Stainless steel. Spark Arrestor Screen insert included. Quiet Insert 94dB insert included. Carb Warning No. Intended Use Closed course.

Specifications
SKU
07-4007.F41.A
Brand
FMF Exhausts
Availability
In Stock (2)

Fitments (4)

MakeModelYear
HONDACRF 250R2025
HONDACRF 250R2026
HONDACRF 250RX2025
HONDACRF 250RX2026
SKU
07-4007.F41.A
Brand
FMF Exhausts
Availability
In Stock (2)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Factory 4.1 RCT Exhaust Silencer with Carbon End Cap

Unlock significant performance gains across the entire RPM range with the FMF Factory 4.1 RCT Stainless Slip-On. This exhaust system utilizes advanced Resonance Chamber Technology™ and Factory Forward Engineering to position the muffler closer to the engine. This design improves mass centralization, reduces susceptibility to crash damage due to its shorter length, and offers a substantial weight saving.

Precision crafted from aerospace-grade materials in the USA, this slip-on features a stylish and durable carbon fiber end cap, offering enhanced strength and aesthetics. It comes equipped with a screen-type spark arrestor and a 94dB quiet insert, making it suitable for various riding conditions, though it is intended for closed-course use only.

Key Features:

  • Incorporates FMF Resonance Chamber Technology™ for optimized power and sound output.
  • Engineered for enhanced mass centralization and reduced risk of crash damage.
  • Constructed with premium aerospace-grade aluminum and stainless steel components.
  • Lightweight design featuring a carbon fiber end cap for superior durability and style.
  • Includes a screen-type spark arrestor and a 94dB quiet insert as standard equipment.
  • Features RTS (Rapid Tuning System) for straightforward adjustments.
  • Proudly 100% manufactured in the USA.
  • Intended for closed-course competition use only.

Specifications:

  • Exhaust Type: Slip-On
  • Configuration: Single
  • Muffler Construction: Natural finish grey anodized aluminum.
  • End Cap Material: Carbon fiber.
  • Midpipe Material: Stainless steel.
  • Included Accessories: Screen insert spark arrestor and 94dB quiet insert.
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QUESTIONS? JUST ASK

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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.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

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