KX250F 2017-2020 RS-4 Stainless Slip-On Exhaust, w/ Aluminum Muffler

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 tail-pipe
  • Repack Kits , optional Inserts and Spark Arresters are available for all models

SKU YO-242932D320
Brand Yoshimura
Shipping Weight 4.0000kg
Shipping Width 0.200m
Shipping Height 0.300m
Shipping Length 0.700m

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