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FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
  • FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
  • FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
  • FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
  • FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
FMF Racing Kawasaki KX250F / KX250X 2025-2026 Factory 4.1 RCT Stainless SL (Slip-On) w/ Carbon End Cap 042411
 
$674.99
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Part number 18212163 FMF
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$674.99 In stock

Factory 4.1 RCT Slip-On Muffler - Stainless Steel/Aluminum with Carbon Fiber End Cap - KX250F

Product Details

Brand FMF
Part Number 1821-2163
Manufacturer Part Number 042411
Suggested Retail $674.99
Units EACH

Features

  • RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
  • Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
  • FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
  • Compatible with stock header or FMF header
  • Meets AMA and FIM sound requirements
  • QuietCore 94 dB insert included
  • Spark arrestor included in muffler
  • Made in the USA

Specs

Product Name MUFFLER
Type SLIP-ON
Model FACTORY 4.1 RCT
Muffler Material ALUMINUM / STAINLESS STEEL
Muffler Color/Finish NATURAL
End Cap Material CARBON FIBER
End Cap Color/Finish BLACK
Units EACH
Riding Style OFF-ROAD

Package Info

Weight 7.5 lb
Length 36.25 in
Width 6.25 in
Height 6.25 in

Part Codes

Harmonized EU - 87141040000 US - 8714.10.0050 SCHEDULE B - 8714.10.0090

Catalog References

  • 26 PU OFFROAD / Page 10

Part Notices

  • This part is subject to an advertising policy

Description

FMF Racing Kawasaki KX250F / KX250X 2025-2026 Factory 4.1 RCT Stainless SL (Slip-On) w/ Carbon End Cap 042411

Factory 4.1 RCT Slip-On Muffler - Stainless Steel/Aluminum with Carbon Fiber End Cap - KX250F

Features

  • RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
  • Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
  • FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
  • Compatible with stock header or FMF header
  • Meets AMA and FIM sound requirements
  • QuietCore 94 dB insert included
  • Spark arrestor included in muffler
  • Made in the USA

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