Skip to product information
FMF Racing Yamaha YZ450F 23-25 AL Factory 4.1 RCT w/ R. Carbon Cap Comp Sys w/SS MB Header/Mid Pipe
  • FMF Racing Yamaha YZ450F 23-25 AL Factory 4.1 RCT w/ R. Carbon Cap Comp Sys w/SS MB Header/Mid Pipe
FMF Racing Yamaha WR450F / YZ450FX 2024-2026; Yamaha YZ450F 2023-2025 Stainless Steel Alum. Factory 4.1 RCT w/ R. Carbon Cap Full System 044477


FMF Racing Yamaha WR450F / YZ450FX 2024-2026; Yamaha YZ450F 2023-2025 Stainless Steel Alum. Factory 4.1 RCT w/ R. Carbon Cap Full System 044477


$1,074.99
Notify me when available Email alert

Enter your details and we will email you after this item is verified as available again. This does not reserve inventory or promise an ETA.

P4M+ rewards 5375 P4M+ points with this product. Plus automatic entry in our monthly giveaway. Nothing else to do.
5 pts / $1
Availability Notify me when available Currently unavailable. We will email you after verified stock returns.
Fitment Yamaha Confirm exact year/model before install View fitment details
Manufacturer part number 044477 FMF
Shipping Currently unavailable No ETA or reservation. We will email you after verified stock returns. 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.
Trustpilot Customer reviews Read current public feedback

Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap

Product Details

Brand FMF
Part Number 1820-2047
Manufacturer Part Number 044477
Suggested Retail $1,074.99
Units EACH

Features

  • Incorporates FMF Resonance Chamber Technology™ both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
  • Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
  • Spark arrestor screen insert included
  • 94dB insert included
  • For closed course competition only

Specs

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

Package Info

Weight 9.5 lb
Length 42.5 in
Width 8.5 in
Height 8.25 in

Part Codes

Harmonized EU - 87141040000 US - 8714.10.0050 SCHEDULE B - 8714.10.0090

Catalog References

  • 26 PU OFFROAD / Page 9

Fitment

Year Make Model Position Notes
2024-2025 Yamaha YZ450FX
2024 Yamaha WR450F
2023-2025 Yamaha YZ450F

Part Notices

  • This part is subject to an advertising policy

Fitment Disclosure

and

General Safety Warning

Description

FMF Racing Yamaha WR450F / YZ450FX 2024-2026; Yamaha YZ450F 2023-2025 Stainless Steel Alum. Factory 4.1 RCT w/ R. Carbon Cap Full System 044477

Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap

Features

  • Incorporates FMF Resonance Chamber Technology™ both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
  • Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
  • Spark arrestor screen insert included
  • 94dB insert included
  • For closed course competition only

Fitment

This product fits

Type a make, model, or year to narrow the list.

Year Make Model Position Notes
2024-2025 Yamaha YZ450FX
2024 Yamaha WR450F
2023-2025 Yamaha YZ450F
Still unsure? Ask about this part

You may also like