FMF 4.1 RCT Slip-On Muffler - Anodized/Titanium - Carbon Cap - Honda CRF250R/RX 041619

FMF Racing Honda CRF250R / CRF250RX 2025-2026 Factory 4.1 RCT Titanium Anodized SL (Slip-On) w/ Carbon Cap 041619

Name: FMF Racing Honda CRF250R / CRF250RX 2025-2026 Factory 4.1 RCT Titanium Anodized SL (Slip-On) w/ Carbon Cap 041619
Brand: FMF
SKU: 18212183
Price: 899.99 USD
Availability: InStock

$899.99

Availability Low stockAvailable to order now Fitment Check fitment information Shop Pay installments4 payments from $224.99

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Fitment Matched bike fitment Exact bike matches load from verified fitment data View fitment details

Manufacturer part number 041619 FMF · Store SKU 18212183

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Factory 4.1 RCT Slip-On Muffler - Stainless Steel/Aluminum with Carbon Fiber End Cap - CRF250R/RX

Product Details

Brand	FMF
Part Number	1821-2183
Manufacturer Part Number	041619
Suggested Retail	$899.99
Units	EACH

Features

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
Compatible with stock header or FMF header
Meets AMA and FIM sound requirements
QuietCore 94 dB insert included
Spark arrestor included in muffler
Made in the USA

Specs

Product Name	MUFFLER
Type	SLIP-ON
Model	FACTORY 4.1 RCT
Muffler Material	TITANIUM
Muffler Color/Finish	ANODIZED / BLUE
End Cap Material	CARBON FIBER
End Cap Color/Finish	BLACK
Units	EACH
Riding Style	OFF-ROAD

Package Info

Weight	8.6 lb
Length	36.25 in
Width	6.25 in
Height	6.25 in

Part Codes

Harmonized	EU - 87141040000 US - 8714.10.0050 SCHEDULE B - 8714.10.0090

Catalog References

26 PU OFFROAD / Page 10

Part Notices

This part is subject to an advertising policy

Fitment Disclosure

and

General Safety Warning

POSITION NOTES 2025-2026 Honda CRF250R - - 2025-2026 Honda CRF250RX - - Fitment Disclosure This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided. General Safety Warning Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions.

Product details and identifiers

Distributor part	Manufacturer part	UPC / EAN	Package
1821-2183	041619	—	8.6 lb; 36.25 × 6.25 × 6.25 in

Features

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
Compatible with stock header or FMF header
Meets AMA and FIM sound requirements
QuietCore 94 dB insert included
Spark arrestor included in muffler
Made in the USA

Specifications

Product Name	MUFFLER
Type	SLIP-ON
Model	FACTORY 4.1 RCT
Muffler Material	TITANIUM
Muffler Color/Finish	ANODIZED / BLUE
End Cap Material	CARBON FIBER
End Cap Color/Finish	BLACK
Units	EACH
Riding Style	OFF-ROAD

Vehicle fitment

2 exact approved application ranges are shown. Select the listed part number when variants differ.

Years	Make	Model	Required part	Position	Notes
2025-2026	Honda	CRF250R	1821-2183	—	—
2025-2026	Honda	CRF250RX	1821-2183	—	—

References

26 PU OFFROAD / Page 10

Notes and disclosures

Fitment is based on source-listed stock applications. Confirm the exact part number and installation requirements; vehicle modifications can change compatibility.

Description