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      07-24-2012, 02:46 AM   #1
flinchy
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Drives: 130i
Join Date: Nov 2011
Location: QLD, Australia

Posts: 2,855
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Oem exhaust piping size?

As in the title, what is the ID of the stock exhaust? Im guessing 2.25-2.5 somewhere, but i can find google results of aftermarket 2.5" setups, ao possibly less than 2.5" stock?

128i and 130i i'm wondering about
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