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Straight Pipe
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05-10-2013, 09:23 AM
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Vgav1221
Drives: 2011 2LT/RS/M6 Black w/ Orange Guts
Join Date: Feb 2011
Location: New York
Posts: 325
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.....
Back pressure is needed for engines nuff said.
Go do research on something other then the forum, but wait a minute, everything you read on a forum must be true........................
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