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Old 10-31-2010, 09:10 AM   #20
Z_Rocks

 
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Drives: everyone crazy...
Join Date: May 2009
Location: SW Florida
Posts: 2,109
Sounds like both the CTS-V Coupe and Z28 are using the same exhaust system. They both sounded identical at take off. They sound like it's an open exhaust.
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