Yoshimura low volume insert kit - 99db rs-4 muffler, 1.625", Exhausts and components, dirtbike, motocross, offroad, parts, accessories | Dirt Guide

Yoshimura Low Volume Insert Kit - 99DB RS-4 Muffler, 1.625"

• Replacement Low-Volume Insert Kit for RS-4 Mufflers
• Non-Spark Arrested
• 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