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      12-29-2012, 04:37 AM   #4
Lieutenant Colonel
Drives: Space Grey 335i 6MT
Join Date: Jul 2012
Location: Newcastle Ozstraylia

Posts: 1,768
iTrader: (1)

i got my ar dps put on last week, and on a cold start notice a tractor type flapping noise, apparently this is just the wastegates once the car warms up its fine. Nothing to worry about pretty much, just because yo no longer have cats means you can start hearing noises you never used to hear!
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