INS-RS9D-K
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.
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Fitment data lists this product for 9 model-year applications, including Honda CRF250R, Honda CRF250RX, and Honda CRF450R, with listed model years from 2013 through 2021.
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