SOUND INSERT KIT TRS 4.5" Muffler, Street (TRS-INS-BK)

Replacement Low-Volume Insert Kit for TRS Mufflers Available as optional kit on applications requiring different sound restrictions Decibel reduction depends on 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.