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Metal flapping sound

3769 Views 8 Replies 4 Participants Last post by  Jonathan
Looking for some guidance here.

In Sport Mode, with a a 6 spd, when decelerating in 2nd or 3rd by letting the gas off, there is a metal flapping noise (3 or 4 times) coming from the rear underside of the car. It only happens in Sport Mode but is consistent. It sounds like something is loose or not connected.

Do others have this as well?
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Are you sure it's not the exhaust 'popping' on the overrun???
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