Yoshimura introduces a new muffler insert that is made to optimize the sound and performance for the 2020 Honda CRF250R. However, this new insert works in all RS-9 and RS-9t mufflers.

• Low-Volume Insert Kit for RS-9 And RS-9T 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.