FMF Factory 4.1 RCT Kawasaki KX450F (19-21)

FMF

Motorcycle Accessories Exhaust Muffler Factory 4.1 RCT Kawasaki KX450F (19-21)





The FMF brand specializes in off-road exhausts, drawing on its experience in Motocross, Enduro and Supermotard competition.

From the outset, Factory 4.1 RCTs stand out from other mufflers thanks to the use of top-of-the-range materials, providing increased power and torque across the entire engine speed range, as well as considerable weight savings compared to the original system.




  • Factory 4.1 RCT aluminum muffler
  • Stainless steel connecting tube
  • Carbon fiber end cap
  • Spark arrester included
  • For use in closed course only
  • Noise reducer included
  • New RTS (Rapid Tuning System)
  • Compatible with original or FMF manifold
  • Kawasaki KX 450 (449cm3) 2021 - 2023
  • Kawasaki KX 450 F (449cm3) 2019 - 2021
  • Kawasaki KX 450 X (449cm3) 2021

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