2Bros Parts

END OF LINE Q4 HEX EXHAUST SILENCER 2017-2020 HONDA CRF 450 R RX RWE - FMF 041558

£325.97

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END OF LINE Q4 Hex Exhaust Silencer. Slip-on quiet-performance muffler engineered for off-road endurance, employing internal chambers, baffles and multi-stage packing to reduce sound while maintaining broad power gains. Includes a USFS-compliant spark arrestor and is supplied with a quiet insert. Features reduced output sound compliant with USFS and FIM World Enduro sound regulations, power gains across the rpm range, a spark arrestor, lighter than stock construction, and rugged construction for off-road durability. Manufactured in the USA. Notice: Closed course use only. Use with matching FMF header #041555 only. Specifications: Type: Slip-on, Configuration: Single, Canister construction: Aluminium, Finish: Natural, Mid-pipe: Stainless steel, Endcap: Stainless steel, Spark arrestor: Screen insert (included), Quiet insert: Included, CARB warning: No. Cross-Reference OEM Part Numbers: FMF 041558 (Q4 Hex slip-on), FMF header: 041555 (required for fitment).

Specifications
SKU
06-1981.FMF.Q4H
Brand
FMF Exhausts
Availability
In Stock (3)

Fitments (9)

MakeModelYear
HONDACRF 450R2017
HONDACRF 450R2018
HONDACRF 450R2019
HONDACRF 450R2020
HONDACRF 450RX2017
HONDACRF 450RX2018
HONDACRF 450RX2019
HONDACRF 450RX2020
HONDACRF RWE 4502019
General Product Group
Exhaust Systems & Parts
General Product Type
Silencer
Variant Id
209593
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Q4 Hex Exhaust Silencer - Slip-On Quiet Performance Muffler

Enhance your off-road riding experience with the FMF Q4 Hex Exhaust Silencer. This slip-on muffler is engineered for endurance riding, utilizing internal chambers, baffles, and multi-stage packing to effectively reduce sound output while delivering significant power gains across the entire RPM range. Designed for rugged off-road durability, it is lighter than stock and manufactured in the USA.

Key Features:

  • Reduced sound output, compliant with USFS and FIM World Enduro regulations.
  • Achieve power gains throughout the RPM range.
  • Integrated USFS-compliant spark arrestor included.
  • Lighter than the original stock muffler.
  • Robust construction built for demanding off-road conditions.
  • Quiet insert is included for further sound reduction.
  • Proudly manufactured in the USA.
  • Note: For closed course use only.
  • Fitment Note: Must be used with matching FMF header #041555.

Specifications:

  • Type: Slip-on
  • Configuration: Single
  • Canister Material: Aluminium
  • Canister Finish: Natural
  • Mid-pipe Material: Stainless steel
  • Endcap Material: Stainless steel
  • Spark Arrestor Type: Screen insert (included)
  • Quiet Insert: Included
Before you buy

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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

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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