Originally Posted by b1aze
Are you sure you dont have a vacuum leak anywhere? Can you log your car at idle and report back your boost pressure reading. It should be >15mmHg or so.
how can I check if I have a leak how do I do this?
COBB AP V3, ER Fmic, ER Chargepipe+HKS BOV , AA Catless downpipes,
Berk Technology race exhaust, AFE CAI closed box,
BMW SSK, VMR wheels, Yokohma ADVAN AD08R tires,
KW Club sport coilovers.