Yoshimura 224502D320 RS-4 Signature Series Slip-On - Aluminum Muffler

$579.95
by Yoshimura
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The work that went into developing the RS-4 muffler design paid big dividends in 2010 with winning the AMA 450 Supercross and Motocross Championship series, and again in 2012 winning both 250 Supercross Lites titles.

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