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    Yoshimura Sound Insert Kit Rs-4D Muffler, Bottom, 1.000" (Ins-Bd-K)

    • Replacement Low-Volume Insert Kit for RS-4D Mufflers
    • Bottom outlet of RS-4D End-cap
    • 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

    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.

    Fitment:

    • Honda CRF250R 2011
    • Honda CRF250R 2012
    • Honda CRF250R 2013
    • 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 2010
    • Yamaha YZ450F 2011
    • Yamaha YZ450F 2012
    • Yamaha YZ450F 2013

    Yoshimura Sound Insert Kit Rs-4D Muffler, Bottom, 1.000" (Ins-Bd-K)

    SKU: YO-INS-BD-K
    Regular price $59.99
    Unit price
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    Yoshimura Sound Insert Kit Rs-4D Muffler, Bottom, 1.000" (Ins-Bd-K)

    • Replacement Low-Volume Insert Kit for RS-4D Mufflers
    • Bottom outlet of RS-4D End-cap
    • 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

    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.

    Fitment:

    • Honda CRF250R 2011
    • Honda CRF250R 2012
    • Honda CRF250R 2013
    • 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 2010
    • Yamaha YZ450F 2011
    • Yamaha YZ450F 2012
    • Yamaha YZ450F 2013