basic list of stuff that may have to be replaced:
upper control arms
rear wheel bearings
diverter valves
suspension(depending on how hard the previous owner drove it obv.)
tierod ends
expansion tank(sometimes they leak at the edges)
turbos(make sure you check them out)
timing belt(if it hasent been replaced yet)
TBB(throttle body boot, $15 from dealer to replace with stock, $60ish if you go with samco(waste of money IMO))
check the drivers door handle on the inside, sometimes the springs break, not a huge deal, just annoying(hasent happened to me yet, knock on wood).
other than that, chip it and put an exhaust on it... i personally wouldnt waste my time with piggies unless your pullin the motor out to do the turbos... i feel like it was a waste of time... i did a pull next to another giac car that had the same exact mods, minus piggies, and we were DEAD EVEN. They will surely make a bigger difference with bigger turbos, but for stockers, F it.. i wouldnt lower it yet because its getting ready to snow, so its gonna be a pain in the ass, take it from me. i would put the money towards a chip, find a used exhaust, get some "Toyota Silver" paint from autozone, and you can refinish your wheel so they look brand new again, and call it a day. after winter is over grab some suspension, and wheels, then just drive her around... hope this helps you out..
-Dan
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