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Rock105

GUYS NEED SOME HELP WR 444 vs. CRF 450

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WILL SOMEONE GIVE ME SOME INPUT PLEASE? Is the upgrade very noticable? How much horsepower can one expect from the 444 kit with all these mods? Will the yz 444 kit with hot cams , ta pipe, vortex ignition, and k&n filter (assuming all is operating at optimum) defeat a crf 450 in a dirt drag race with equal riders?

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