- 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
- 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.
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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.
Honda CRF450R 2011
Honda CRF450R 2012
Kawasaki KX450F 2009
Kawasaki KX450F 2010
Kawasaki KX450F 2011
Kawasaki KX450F 2012
Kawasaki KX450F 2013
Kawasaki KX450F 2014
Yamaha YZ450F 2014