SOUND INSERT KIT 94db RS-4S Muffler, 1.375" (INS-18-K)

• Replacement Low-Volume Insert Kit for RS-4 "Turn-out End-cap" Mufflers
• Non-Spark Arrested
• Available as optional kit on applications requiring different sound restrictions
• Decibel reduction depends on application
• Please see our Insert Chart to confirm fitment for your application
Kit Includes:
• Low-Volume Insert Tube
• End-cap collar
• Set screw

*If you have any questions about fitment or applications, please call our Sales Department at 1-800-634-9166.