arctic cat 1.5 timing key

fersch

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Any one running a 1.5 timing key in there 2011 arctic cat m8 153? wondering if there is any noticable diffrence? ive got a 2011 cat m8 153 with a new 2.5 challenger extreme track
 

catrutt

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I am running one on my m8 only difference a bit more snap and no bogging.
 
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