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Old 10-18-2013, 12:34 AM   #11
Scooby Newbie
Member#: 329470
Join Date: Aug 2012
Chapter/Region: NWIC
Location: Kirkland WA
2011 Impreza wrx


Originally Posted by Psychoreo View Post
Except this asshat is right. Just installed an intake. Notices new noise when letting off the throttle. It's the bypass valve doing it's job. As has been said over and over and over when this question comes up over and over and over.
it's not the normal woosh, it sounds more like turbo flutter
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