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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Fmf

FMF Factory 4.1 RCT Exhaust System - 044477 Yamaha YZ 450 / WR 450 2023-2025

MPN: 044477 SKU: 1820-2047
Fmf

FMF Factory 4.1 RCT Exhaust System - 044477 Yamaha YZ 450 / WR 450 2023-2025

MPN: 044477 SKU: 1820-2047
Availability:
16 in stock, ready to be shipped
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 End Cap Material Carbon Fiber Muffler Color/Finish Gray End Cap Color/Finish Black Pipe Material Stainless Steel Model Factory 4.1 RCT Muffler Color/Finish Anodized Product Name Exhaust System Units Each Riding Style Off-Road Type Race Muffler Material Aluminum
Original price $1,074.99 - Original price $1,074.99
Original price
$1,074.99
$1,074.99 - $1,074.99
Current price $1,074.99

Product Details

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

End Cap Material Carbon Fiber
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Product Name Exhaust System
Units Each
Riding Style Off-Road
Type Race
Muffler Material Aluminum

Product Description

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

End Cap Material Carbon Fiber
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Product Name Exhaust System
Units Each
Riding Style Off-Road
Type Race
Muffler Material Aluminum

Part Numbers
Store SKU MFR. Product # Availability
1820-2047 044477 In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

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.

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

End Cap Material Carbon Fiber
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Product Name Exhaust System
Units Each
Riding Style Off-Road
Type Race
Muffler Material Aluminum