Well I did a CAI, which is a small mod, now its time to get serious. What should I do next? I was thinking maybe gears and a chip, with new driveshaft. I hear alot of poeple talk about exhaust, but does i really do anything besides sound louder? If it's mainly for sound, than my stock is fine for now. I'm loking for the best bang for my buck, with about a 1000.00 dollar budget.