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Old 05-05-2012, 12:08 PM   #15
maddmark54
 
Drives: 2012 ZL1
Join Date: Mar 2011
Location: orange county
Posts: 41
The original grill on the ZL1 was the stock egg crate grill. I do not believe the top grill has any effect on drag coefficiency, at least none that could be noticed. I just think the grill looks better!
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