2Bros Parts

Q4 Hex Exhaust Silencer 25-26 Honda CRF 250 R RX - FMF 041617

$470.65

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Delivery to United States 5–8 business days

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FMF Q4 HEX S/A 041617 exhaust system features advanced quiet performance technology, delivering impressive power gains while minimizing sound output. Built with proprietary multistage packing materials and an internal design of intricate chambers and baffles, this slip-on system is engineered for endurance and meets USFS and FIM sound standards. Manufactured in the USA, the Q4 HEX is ideal for riders demanding durability, weight savings, and legal sound compliance. Features include premium quiet technology with intricate chambers, baffles, and multistage packing for low sound levels; meeting USFS and FIM World Enduro sound requirements; power gains throughout the entire rpm range; lighter than OEM exhausts for improved handling; rugged construction for demanding off-road use; stainless steel midpipe and endcap with grey anodised aluminium body; includes spark arrestor and 94 dB quiet insert. Item ID 041617. Type Slip-On. Configuration Single. Construction Aluminium. Finish Grey Anodised. Midpipe Stainless Steel. Endcap Stainless Steel. Spark Arrestor Screen Insert included. Quiet Insert 94dB included. Carb Warning No. For closed course use only. Weight 3400 grams.

Specifications
SKU
07-4007.Q4
Brand
FMF Exhausts
Availability
In Stock (4)

Fitments (4)

MakeModelYear
HONDACRF 250R2025
HONDACRF 250R2026
HONDACRF 250RX2025
HONDACRF 250RX2026
SKU
07-4007.Q4
Brand
FMF Exhausts
Availability
In Stock (4)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Q4 Hex Exhaust Silencer

Experience enhanced quiet performance with the FMF Q4 Hex Silencer. This slip-on exhaust system is engineered to deliver significant power gains while minimizing sound output, making it ideal for off-road enthusiasts who demand both performance and responsible riding. Its advanced design incorporates proprietary multistage packing materials and a complex internal structure of chambers and baffles to achieve low sound levels without compromising on power.

The Q4 Hex Silencer is built to endure the rigors of demanding off-road conditions. It offers a lighter alternative to OEM exhausts, contributing to improved handling and a more agile riding experience. This silencer meets stringent USFS and FIM World Enduro sound requirements, ensuring compliance for responsible riders. Proudly manufactured in the USA, it combines durability, weight savings, and legal sound compliance for thrilling and responsible off-road adventures.

Key Features:

  • Advanced quiet technology featuring intricate chambers, baffles, and multistage packing for reduced sound output.
  • Complies with USFS and FIM World Enduro sound regulations.
  • Provides power increases across the entire RPM range.
  • Offers a weight advantage over stock exhausts, enhancing maneuverability.
  • Constructed for durability in demanding off-road environments.
  • Features a stainless steel midpipe and endcap paired with a grey anodised aluminium body.
  • Includes a spark arrestor and a 94 dB quiet insert for customizable sound levels.
  • Proudly designed and manufactured in the United States.
  • Designed for closed course use only.

Specifications:

  • Type: Slip-On
  • Configuration: Single
  • Construction Material: Aluminium Body
  • Finish: Grey Anodised
  • Midpipe Material: Stainless Steel
  • Endcap Material: Stainless Steel
  • Included Spark Arrestor: Screen Insert
  • Included Quiet Insert: 94dB
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

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.

More answers in our FAQ.

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