Originally posted by Dsm98Nt
i also removed all the couplers to make sure for a fact that it wasnt them and then put them back on nice and snug. so it cant be the couplers.

you did do a proper boost leak test and are not just relying on the "nice and snug" feel of the couplers right? Jutst because they "feel" tight doesn't mean thet can't leak like a sob.