Kawasaki KXF250 2017-2020 - Yoshimura RS-4 Stainless/Aluminium/Carbon Full System Signature Series

  • Sale
  • Regular price $1,395.00
Tax included. Shipping calculated at checkout.


YM-242930D320: The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Stainless steel header and tail-pipe
  • Weight: 0.4 lbs lighter than stock configuration
  • Repack Kits, optional Inserts are available for all models