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      07-01-2012, 08:52 PM   #7
tibra1
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Drives: 2011 ZCP M3 - 2007 335i crashd
Join Date: Apr 2009
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Quote:
Originally Posted by meko View Post
So to be clear which exact exhaust mod is this? 4 pipe replacement or 2 larger holed pipe replacement. There is one more I believe which is going straight thru muffler but that would do the same thing as replacing all four pipes with solid pipes anyway.
I believe this is the straight through design that bypasses the center chambers..interested to hear from the OP about drone though as Im pretty sure any straight pipe setup would