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Product image 1SOUND INSERT KIT 99db RS-4 Muffler, 1.625" (INS-10-K)
Product image 2SOUND INSERT KIT 99db RS-4 Muffler, 1.625" (INS-10-K)

*Product may vary by application

SOUND INSERT KIT 99db RS-4 Muffler, 1.625" (INS-10-K)

SKU: INS-10-K


Regular price $35.95

MADE IN USA

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Same day shipping on In Stock items placed Mon-Fri by 1:00 pm PST. Please contact sales@yoshimura-rd.com for ETA's on Reserve Now / Pre-Order Items.

WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov


  • 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
  • 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.

. . . . .

This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.

Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

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