Whats an estimated HP rating for an 06' STi with TBE, high flow cat, intake, AP stage 2, and protune?
I wuld guess closing in on 300 awhp. Cobb shows 350 for their ots map, after some parasitic loss down to about 275-285 then back up some for the pro-tune if running the same boost. If ya crank it up some ya might be able to do better. Just the numbers as I see them, no personal experience in these figures.
on SOG's dyno, they end up making ~290whp and ~315 wtq slap on a big top mount and u will make a whole lot more