Originally Posted by All4bSpinnin
yup, slap a downpipe on it and get a protune. The new wrx's do pretty well when you turn them up to about 19psi... that cobb mapp is what 15psi with conservative timing?
I could not run 19 for long on the stock ic, in socal at least. Tbh with just a dp n intake i think im still having heat problems tuned open source at 17 psi, very little timing before heat soaking.