Yoshimura RS-9 Sound Insert Kit 1.250″ | Low-Volume Muffler Insert

Reduce exhaust noise on your Yoshimura RS-9 muffler with this factory-spec Low-Volume Sound Insert Kit. Designed for riders who need to meet sound restrictions without sacrificing the RS-9’s performance profile.

• Replacement low-volume insert kit for Yoshimura RS-9 mufflers
• 1.250″ diameter insert tube for precise fitment
• Non-spark arrested design
• Available as an optional kit for applications requiring tighter sound restrictions
• Decibel reduction varies by application — check the Yoshimura Insert Chart to confirm fitment

Kit Includes:

• Low-volume insert tube
• End-cap collar
• Set screw

Brand: Yoshimura
Compatible Muffler: RS-9
Insert Diameter: 1.250″
Part : INS-RS9B-K