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      06-14-2012, 02:30 AM   #26

Drives: M3
Join Date: Apr 2012
Location: Sweden

Posts: 82
iTrader: (0)

I will do this next thursday on my car, or to be honest a company will do it for me :-)

But they need to know the stock diameter of the pipes AND the cc between the bult holes in the fitting to the downpipes.

Can anyone help me out with that?