get headers, then get a tune. thats what i am doing. im probably gonna run without a tune for a month or so. If you live in houston then you can get MAtt at FSP to do a IPF tune for you. I would go with them because i feel from all the data i have seen, that IPF gives the best gains
Performance Mods: Vararam Intake, MRTv2.0 exhaust, Elite Engineering CC, Vmax Black Iceolator, Vmax Ported TB, OBX LT Headers w/ no CATS, LMR Tune
Visual mods: Eagle Eyes w/5k hids, Custom Hood Spears, Heritage Grille, Stage 2 LED Dome lights,Transformer Emblems, PD Bezels, 19in Chevy rims with pirellis, Blue painted calipers, GM GFX Front Splitter, 35/20 % Tint, TailLight Tint(charcoal)
1/4 Mile: 13.65 sec @ 102.53 mph R.I.P.