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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 - 045648 For Husqvarna Dirt Bikes 2020-2023 | KTM XCF 350 / XCF 500 / XCF 450 2020-2023 | Gas Gas 250F / 350F 2021

MPN: 045648 SKU: 1821-2001
Fmf

FMF Factory 4.1 RCT Muffler - 045648 For Husqvarna Dirt Bikes 2020-2023 | KTM XCF 350 / XCF 500 / XCF 450 2020-2023 | Gas Gas 250F / 350F 2021

MPN: 045648 SKU: 1821-2001
Availability:
18 in stock, ready to be shipped
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 End Cap Material Carbon Fiber Muffler Color/Finish Anodized Blue Pipe Material Titanium Type Slip-On Units Each Muffler Material Titanium Riding Style Off-Road Product Name Muffler Model Factory 4.1 RCT Part Notes This is a one piece slip-on muffler and will mount to the standard or FMF header pipe. There is no separate mid-pipe.
Original price $649.99 - Original price $649.99
Original price
$649.99
$649.99 - $649.99
Current price $649.99

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

End Cap Material Carbon Fiber
Muffler Color/Finish Anodized Blue
Pipe Material Titanium
Type Slip-On
Units Each
Muffler Material Titanium
Riding Style Off-Road
Product Name Muffler
Model Factory 4.1 RCT

Part Notes

  • This is a one piece slip-on muffler and will mount to the standard or FMF header pipe. There is no separate mid-pipe.

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

End Cap Material Carbon Fiber
Muffler Color/Finish Anodized Blue
Pipe Material Titanium
Type Slip-On
Units Each
Muffler Material Titanium
Riding Style Off-Road
Product Name Muffler
Model Factory 4.1 RCT

Part Notes

  • This is a one piece slip-on muffler and will mount to the standard or FMF header pipe. There is no separate mid-pipe.

Part Numbers
Store SKU MFR. Product # Availability
1821-2001 045648 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

  • 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

End Cap Material Carbon Fiber
Muffler Color/Finish Anodized Blue
Pipe Material Titanium
Type Slip-On
Units Each
Muffler Material Titanium
Riding Style Off-Road
Product Name Muffler
Model Factory 4.1 RCT

Part Notes

  • This is a one piece slip-on muffler and will mount to the standard or FMF header pipe. There is no separate mid-pipe.