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Yoshimura RS4 Exhaust System Yamaha WR450F
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.
Note: Please check local laws before purchasing a Yoshimura Exhaust. Some modifications may be prohibited in some states.
Have a functionality, fit, or otherwise product-specific question about the Yoshimura RS-4 Exhaust System Yamaha WR450F 2012-2014? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|Stainless Steel/Aluminum/Carbon Fiber||872195||234700D320||In Stock: Ships within 24 hours|