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      04-08-2010, 10:27 PM   #28
onefastman
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Drives: 2009 135i 2011 e92m dct
Join Date: Sep 2009
Location: Earth

iTrader: (15)

I am assuming that they are Ar or something to that effect. If that is the case then they are not actually 3", they start at 3 and taper to 2.5" to fit the exhausts made. Depending on your budgit (assuming you have some $ to spend) I would go with any catless mid pipe and a eissimann muffler (or meisterschaft). It will perform (not that the secondary cats do much) and sounds better than any system on the market.
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