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 1-Into-1 Exhaust System - 042413 Kawasaki KX 250 2025

MPN: 042413 SKU: 1820-2083
Fmf

FMF Factory 4.1 RCT 1-Into-1 Exhaust System - 042413 Kawasaki KX 250 2025

MPN: 042413 SKU: 1820-2083
Availability:
Only 5 left!
Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally Achieves a 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 For closed course competition use only. Specs End Cap Material Carbon Fiber Model Factory 4.1 RCT Muffler Color/Finish Anodized Muffler Color/Finish Gray End Cap Color/Finish Black Pipe Material Stainless Steel Riding Style Off-Road Design/Configuration 1-Into-1 System Units Each Product Name Exhaust System Type Race
Original price $1,049.99 - Original price $1,049.99
Original price
$1,049.99
$1,049.99 - $1,049.99
Current price $1,049.99

Product Details

Features

  • Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally
  • Achieves a 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
  • For closed course competition use only.

Specs

End Cap Material Carbon Fiber
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Riding Style Off-Road
Design/Configuration 1-Into-1 System
Units Each
Product Name Exhaust System
Type Race

Product Description

Features

  • Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally
  • Achieves a 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
  • For closed course competition use only.

Specs

End Cap Material Carbon Fiber
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Riding Style Off-Road
Design/Configuration 1-Into-1 System
Units Each
Product Name Exhaust System
Type Race

Part Numbers
Store SKU MFR. Product # Availability
1820-2083 042413 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

  • Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally
  • Achieves a 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
  • For closed course competition use only.

Specs

End Cap Material Carbon Fiber
Model Factory 4.1 RCT
Muffler Color/Finish Anodized
Muffler Color/Finish Gray
End Cap Color/Finish Black
Pipe Material Stainless Steel
Riding Style Off-Road
Design/Configuration 1-Into-1 System
Units Each
Product Name Exhaust System
Type Race