Skip to content
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!
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 Muffler - 044427 Yamaha YZ 250 / WR 250 2014-2019

MPN: 044427 SKU: 1821-1610
Fmf

FMF Factory 4.1 RCT Muffler - 044427 Yamaha YZ 250 / WR 250 2014-2019

MPN: 044427 SKU: 1821-1610
Availability:
Out of stock
The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory Massive Power gains throughout the RPM range. Huge weight savings RTS (Rapid Tuning System) Specs Muffler Material Aluminum Model Factory 4.1 RCT Product Name Muffler End Cap Material Carbon Fiber Riding Style Adventure Touring / Dual-Sport Units Each Pipe Material Stainless Steel Riding Style Off-Road Type Slip-On Muffler Color/Finish Raw Part Notes QuietCore not included.
Sold out
Original price $674.99 - Original price $674.99
Original price
$674.99
$674.99 - $674.99
Current price $674.99

Product Details

Features

  • The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
  • In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • RTS (Rapid Tuning System)

Specs

Muffler Material Aluminum
Model Factory 4.1 RCT
Product Name Muffler
End Cap Material Carbon Fiber
Riding Style Adventure Touring / Dual-Sport
Units Each
Pipe Material Stainless Steel
Riding Style Off-Road
Type Slip-On
Muffler Color/Finish Raw

Part Notes

  • QuietCore not included.

Product Description

Features

  • The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
  • In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • RTS (Rapid Tuning System)

Specs

Muffler Material Aluminum
Model Factory 4.1 RCT
Product Name Muffler
End Cap Material Carbon Fiber
Riding Style Adventure Touring / Dual-Sport
Units Each
Pipe Material Stainless Steel
Riding Style Off-Road
Type Slip-On
Muffler Color/Finish Raw

Part Notes

  • QuietCore not included.

Part Numbers
Store SKU MFR. Product # Availability
1821-1610 044427 Out of 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

  • The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
  • In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • RTS (Rapid Tuning System)

Specs

Muffler Material Aluminum
Model Factory 4.1 RCT
Product Name Muffler
End Cap Material Carbon Fiber
Riding Style Adventure Touring / Dual-Sport
Units Each
Pipe Material Stainless Steel
Riding Style Off-Road
Type Slip-On
Muffler Color/Finish Raw

Part Notes

  • QuietCore not included.