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Discussion Starter #1
i have the b7 port match and bore 60mm. now the z6 im is on my car and i see z6 has oval runners and b7 round. now is the z6 going to flow better still? and how much of a differance is there
 

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Brokedick Millionaire
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40,422 Posts
more flow, less choke.............

The D15B7 needs nothing bigger than the Z6 mani, unless your getting WILD, aka Bisi style.
 
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