Yoshimura Low Volume Insert Kit - 94DB RS-4 Muffler, 1.375"

  • Sale
  • Regular price $72.95
Tax included. Shipping calculated at checkout.


  • 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