Thread: BMW PE
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      02-21-2013, 09:13 PM   #1
dpilat8588
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Drives: 2010 M3
Join Date: Oct 2012
Location: Cleveland, OH

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2010 BMW M3  [0.00]
BMW PE

So I just bought the BMW PE for my 328. I have heard there is a "break in" period for this exhaust. Is this true? What can I expect to feel/hear as the exhaust breaks in. Also, how long does the break in period last?