timing maf tuning pe tuning and some tm taken out. then a trans tune is nice, trans tunes you can copy from other people's tunes easy enough. theres a few other tweaks you can copy off a canned tune as well.
if running meth, its the maf you need to tune cause the meth will raise the afr. so you end up taking fuel from the maf, the meth makes it up, wideband tells the story if your at your target afr.
the meth also cools the fuk out of the blower, and the air charge going in. and raises the octane rating of your 93 gas to over a 100.