I was wondering what i should do first. i have a 99 silverado that i just got. i am getting dual flowmaster exhaust and i have a CAI on the way. what else is a good idea that isnt goign to cost me an arm and a leg. i am getting ready to head off to college so i dont want to spend too much. next week it is heading over to my uncles shop and he is going tune it for me on the dyno. let me know what else i cna do