I have searched, and I know that geting your waste gate ported with solve it but i dont want to take that route.

im fully catless cobbstage 2. and it has never spiekd before untill like last week when it started to get cooler and started to do this. but i had my other wrx, with the same mods for over a year and it never gave me this problem. I have already treid adjsting the waste gate arm, and i have turned it downa lot. and it hasnt seemed to do anything.

tonight it was really bad. i was hitting abouit 18 in first