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      01-01-2013, 02:55 PM   #7
Javier
Major
Puerto Rico
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Drives: 335i E92
Join Date: Nov 2006
Location: Puerto Rico


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No you will not see a performance gain from the PE, since it still retains the secondary catalytic converters. (unless you cut those out)

Also, general consensus on this forum is that the PE doesn't sound very good with Cat-less downpipes.
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