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Yoshimura Exhaust Systems and Accessories

Yoshimura KX250F 17-20 RS-4 Stainless Full Exhaust, w/ Aluminum Muffler Yoshimura

Yoshimura KX250F 17-20 RS-4 Stainless Full Exhaust, w/ Aluminum Muffler

Yoshimura

SKU YO-242930D320

Our Price
$1,358.00 - $1,358.00
$1,358.00
$1,358.00 - $1,358.00
$1,358.00
Dispatched in 5-7 business days Same day dispatch Dispatched in 5-7 business days
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Product Information

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 and Spark Arresters are available for all models

Part Number

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