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08-13 Yamaha WR250F Yoshimura RS-4 Stainless Slip-on w/SS Endcap

Price :
$639.95 Sale: $543.96
  • Model: 133002D520
  • Manufactured by: Yoshimura Exhaust

Description

08-13 Yamaha WR250F Yoshimura RS-4 Stainless Slip-On w/ Stainless Cap and Spark Arrester

**Note: This muffler comes with a stainless steel end cap**

The work that went into developing the RS-4 muffler design paid big dividends in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship series as a rookie in the same year, and again in 2012 with the Yoshimura-backed GEICO Honda team winning both 250 Supercross Lites titles. That same R&D has been directed to developing the current generation RS-4 — a unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.

  • Pentagonal-shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-stage stepped baffle
  • STAINLESS end-cap
  • Includes spark arrester


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