ok guys i need your advice... just got my headers(bbk shorties)put on, would it be worth it if i get it a new tune??? oh by the way its paired up w/ an off-road h-pipe and flows, the headers made my car quite! but the mother gets up and plus one more thing, i got 3.55 pose from the factory, you guys think i should run 3.73's now? i got 18's in the rear with 285/35's....don't wanna run 4.10's i like dumping it to 3rd gear from 5th @ 80 mph on the freeway.... any advise would help!!!