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      12-10-2012, 05:55 PM   #3
GMP Performance
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Drives: E90 M3, E82 135i, E90 325i
Join Date: Aug 2009
Location: Charlotte, NC

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Quote:
Originally Posted by X RaTeD M View Post
What size piping are the AP downpipes? They look to be smaller than 3 inch.
Akrapovic does not advertise the downpipe diameters, they are designed to work with the factory turbos and mid-pipes. I am checking to see if we can get some measurements for you.
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