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Product Name:   RS-12 EXHAUST SOUND INSERT 1.625Product Type:   RS-12 Exhaust Sound InsertBrand:   YOSHIMURAMFG Part Number:   INS-31-KFeatures:     Replacement Yoshimura parts and packing keep your Yoshimura exhaust performing at its peak performance. Replacement Low-Volume Insert Kit for RS-12 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends...

Product Name:   RS-12 EXHAUST SOUND INSERT 1.5Product Type:   RS-12 Exhaust Sound InsertBrand:   YOSHIMURAMFG Part Number:   INS-30-KFeatures:     Replacement Yoshimura parts and packing keep your Yoshimura exhaust performing at its peak performance. Replacement Low-Volume Insert Kit for RS-12 Mufflers Non-Spark Arrested Available as optional kit on applications requiring different sound restrictions Decibel reduction depends...