Has anyone Had this problem.
I am running fmic,bov,3.5 zaust, boostcontroler,ect, and my car seems to have pot,pot,pot noise through the zaust, noise begins at 5000 as boost starts to really get going( i loose boost also), It does this on high and low boost whats the problem? the zaust has only been on the car for a month and it was running fine for the first few weeks! ..........................help! whats wrong!!