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GM performance headers and exhaust: what kind of performance increase?
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05-09-2009, 02:51 PM
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blackedout010
Drives: on order black 2010 2ss
Join Date: Mar 2009
Location: north carolina
Posts: 913
honestly wouldnt waste time or money on there shorty headers. any long tubes from kooks, arh, etc will be way better and around the same price.
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