FMF Racing Yamaha YZ250F 19-26/YZ250FX 20-26 AL F 4.1 RCT R. Carbon Cap Comp Sys w/SS MB Header/MID

FMF Racing Yamaha WR250F 2023-2026; Yamaha YZ250F 2019-2026; Yamaha YZ250FX 2020-2026 Stainless Steel Alum. Factory 4.1 RCT w/ R. Carbon Cap Full System 044456

Name: FMF Racing Yamaha WR250F 2023-2026; Yamaha YZ250F 2019-2026; Yamaha YZ250FX 2020-2026 Stainless Steel Alum. Factory 4.1 RCT w/ R. Carbon Cap Full System 044456
Brand: FMF
SKU: 044456
Price: 1074.99 USD
Availability: InStock

$1,074.99

Availability In stockAvailable to order now Fitment Check fitment information Shop Pay installmentsFlexible monthly plans

Shop Pay installment terms

Rates from 0–36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by Affirm lending partners. Options depend on your purchase amount, and a down payment may be required. State notices to consumers. Displayed payment estimates use the current product price. Taxes, shipping, discounts, and the final checkout total can change available options and payment amounts.

P4M+ rewards 5375 P4M+ points with this product. Plus automatic entry in our monthly giveaway. Nothing else to do.

5 pts / $1

Availability In stock Available to order

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

Manufacturer part number 044456 FMF

Shipping Free standard U.S. shipping $100+ Eligible orders; rates confirmed at checkout. Transit is typically 3-5 business days after shipment. Shipping is not available to Alaska, Hawaii, or Puerto Rico.

View fitment Warranty support Eligible 30-day returns Shipping rates & timing Secure checkout

Parts-counter style support, online. Questions about fitment, availability, or returns can be checked before ordering, and P4M stays responsible for order support after checkout.

4.1 RCT Exhaust with MegaBomb - Aluminum

Product Details

Brand	FMF
Part Number	1820-1840
Manufacturer Part Number	044456
Suggested Retail	$1,074.99
Units	EACH

Features

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at their Southern California factory
Massive Power gains throughout the RPM range.
Huge weight savings
New RTS (Rapid Tuning System)
Notes
Includes MegaBomb header
Includes spark arrestor screen insert

Videos

FMF Racing -Built 100% In the USA SHOP TOUR

Specs

Product Name	EXHAUST SYSTEM
Type	FULL SYSTEM
Model	FACTORY 4.1 RCT
Pipe Material	STAINLESS STEEL
Muffler Material	ALUMINUM
Muffler Color/Finish	RAW
End Cap Material	CARBON FIBER
Units	EACH
Riding Style	OFF-ROAD

Package Info

Weight	7.9 lb
Length	43 in
Width	8.5 in
Height	8.5 in

Part Codes

Harmonized	EU - 87141040000 US - 8714.10.0050 SCHEDULE B - 8714.10.0090

Part Notes

Includes 94dB insert.
Includes MegaBomb header Includes spark arrestor screen insert

Part Notices

Part has notes
WARNING: |
WARNING: Cancer and Reproductive Harm - www.P65
Warnings.ca.gov

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, supplier accepts no liability for loss or damage resulting from errors or omissions.

Product details and identifiers

Distributor part	Manufacturer part	UPC / EAN	Package
1820-1840	044456	—	7.9 lb; 43 × 8.5 × 8.5 in

Features

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
Shorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at their Southern California factory
Massive Power gains throughout the RPM range.
Huge weight savings
New RTS (Rapid Tuning System)
Notes
Includes MegaBomb header
Includes spark arrestor screen insert

Specifications

Product Name	EXHAUST SYSTEM
Type	FULL SYSTEM
Model	FACTORY 4.1 RCT
Pipe Material	STAINLESS STEEL
Muffler Material	ALUMINUM
Muffler Color/Finish	RAW
End Cap Material	CARBON FIBER
Units	EACH
Riding Style	OFF-ROAD

Vehicle fitment

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

Years	Make	Model	Required part	Position	Notes
2023-2024	Yamaha	WR250F	1820-1840	—	—
2019-2026	Yamaha	YZ250F	1820-1840	—	—
2020-2026	Yamaha	YZ250FX	1820-1840	—	—

References

26 PU OFFROAD / Page 9

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