whats the most power anybody has pushed thru the stock intake? i am holding off on changing my intake so i am curiuos on how much power i would loose over a good aftermarket intake. i have a vortech strim w/2.95 pulley, twisted wedge heads. afm b21 cam, 1.7rockers, afm power pipe, snow meth/water injection, bbk long tube headers, and aem ems. any guesses?