Quote:
Originally Posted by Stan.mac
Does any know of anybody completely changing the mid-pipes on the N54? I had a wild thought and was wondering if someone might have done this already... Being that I already have the Berk Muffler Delete Pipe installed, converting the mid-pipe into one 3.5" exhaust. To accomplish this I would have a "Y" pipe installed immediately after the down pipes collecting into a 3.5" exhaust. it seems like this would be a bit more manageable underneath the vehicle and remove all of the exhaust restrictions after the DP's.
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Two small(dia) pipes flow more than one large pipe.
There is a reason why BMW does certain things.
