So, Boost leak detection

[DDS789]

Not even at the air filter end?

Sure that would fit mine at that end but I do have an induction kit and hard pipe so may be totally different to the original parts.

 

[Carbon]

I have a Carbinger airbox and hard pipe to the turbo. It's smaller than the output form the maf.

In fact it steps down from the maf into the hard pipe and then down again into the turbo.