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Discussion Starter · #1 ·
After installing a turbo-back exhaust system, on my way home from the exhaust shop I've noticed that whispering noise mainly appearing when accelerating on positive boost pressure. Is that normal?
Also there is a noticable vibration, but I think that it is because the technician put a hard laminated rubber middle pipe hanger (it is not a first 3" FM TB he installed). Does your car also vibrates more than with a smaller size exhaust?
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