Ok I have a question I've been looking for about a week now an I just can't seem to fine the problem. I have no boost at all but I dnt have a vacuum leak I just upgraded to ko4 an drive for about 4 mouths I was boosting around 15psI. I was driving home one night an my boost just cut out an now I have 0 I can here them spoolin an I've checked the piping to my front mount intercooler multiple times I just don't know the it could be plz some one help

 

do you have an aftermarket intake on? take a look at the vacuum lines to the n75?