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      10-04-2011, 01:23 PM   #32
marcel b
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Drives: 1M Coupe
Join Date: Jun 2009
Location: Europe

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Quote:
Originally Posted by Papethova View Post
Mine is like that except dual all the way through. Ill have to modify it to work with the stock M axleback.
HP Autowerks wrote that they took the midpipe of the 135. Maybe a difference between N54/N55 version of the 135