See plenty help jst gotta ask right
Switch that gas! Put in the pump and fpr if you haven't ...and don't ovrr look another boost leak down test...that custom set up you got is just begging to leak. Make sure that maf is adjusted right as well, I guess they can be tricky when it comes to driveabiliy verses idle. Once it runs decent remember the aecu must also relearn all its fuel trimms so gentle atleast that helpd on my car! Have Fun no rage quitting lol