FACTORY EFFEX Seat Foam - Height - Stock | Hardness - Stock - CRF 250/450 N/F 13 CRF450R > 08211531 13-20328 3" Slip-On Muffler DS-223763 contains nine Bar-Flex friction

DS-223763 contains nine Bar-Flex friction plates and eight steel drive plates

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The design allows the them to fold down when struck by a bike or quad

Features a sophisticated venting system that

rolled end tip with gloss black inner tip Upper Cut design where the angle matches the line of the stockbags Fits extended stock bags Made in the U

FACTORY EFFEX Seat Foam - Height - Stock | Hardness - Stock - CRF 250/450 N/F 13 CRF450R > 08211531 13-20328 3" Slip-On Muffler DS-223763 contains nine Bar-Flex frictionFoam hardness stiffness has been tested and manufactured to the specifications of our factory riders Exact fit, high quality replacement seat foam