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To this day - everything Yoshimura does revolves around building fast machines and winning races. What motivated Pop's Yoshimura over 50 years ago is the exact same thing that motivates Yoshimura today. Racing and winning. There is no other endeavor that they would rather be engaged in.
Replacement Low-Volume Insert Kit for Yoshimura RS-2 mufflers.
Decibel reduction depends on application.
Available as optional kit on applications requiring different sound restrictions.