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Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System
  • Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System
  • Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System
  • Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System
  • Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System
  • Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System

Yoshimura RS4 - Suzuki RMZ 250 10-15 - Stainless Exhaust System

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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.

Features:

  • 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

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