good morning ladies and gents! I recently installed a catless up-pipe,a wastegate divorced catted downpipe (both grimspeed, if that matters) and a 3" hks non-resonated exhaust system in my 2002 wrx. everything else is stock. with all that being said. my question is, what MAP should i pick on cobb accessport v3? I want to make this right the first time. Thanks in advance.

 

The map you should pick is the one a proper tuner does for you. While I'll assume the Cobb OTS tunes are getting better, nothing compares to a custom tune. Which will cost 300-400 or so, but is the most "right the first time" way you could go, aside having a specific power goal in mind and planning backwards to reach it. I'd see what the tune does for you, and just focus on the suspension (rear sway ought be first thing if you haven't already) and just driving the car otherwise. Room to grow after that if need be.

HTH