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Old 04-03-2014, 11:11 PM   #14
My 5th

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Drives: 2010 2SS/RS M6 Black on Black
Join Date: Jan 2010
Location: Global Citizen
Posts: 1,172
If the Z/28 added just headers that 6 mph speed advantage the GT3 had would disappear. Imagine what could happen with headers, a cam and a little trickery.
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