Quote:
Originally Posted by "Z"en
Are you seeing the expected boost?
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+1 Case by case could be different. Do you have a boost leak and are you seeing the correct amount of boost psi.? I had this same issue with noise from my V3 si trim and it turned out my bearings were shoot and I had to send my V3 si trim unit to Vortech to have new bearings installed just three years later after installation you have to pay to play.