Your car came from the factory originally with an Alda. It used to run fine with plenty of boost.
Sounds like you need to find out where the real problem lies and actually repair the issue.
I know, radical concept, but as usual, I'm just sayin'.............

__________________
Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John