wondering if there is much difference in a stock cdi and a performance cdi. My son has a 150 atv and it still has the cdi that came on it,about 2 yrs ago, and he's trying to get a little more power out of it. Any particular brand any suggestions...thanks
KTM Patrol Former Chinese POW! Need a part machined or customized? Manual Mill & Lathe, CNC Mill, Cad/Cam. Need or want something engraved? Want something but not sure what?