Running rich
Mods: Mac Headers and y w/nocats, mti lid, magnaflow and free mods.
Mods: Mac Headers and y w/nocats, mti lid, magnaflow and free mods.
You either need to get LS1Edit or HPTuners and make adjustments..
Or the cheapest route is to buy a MAFT.. I believe there are one or two in the for sale section.

