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I'm curious to know as with ANY aftermarket air dams, spoilers etc. how does anyone know what benefit they have on a pre production car? Is it just a rough guess that it will be an improvement?
Not saying yours won't be. Just curious as to how anyone who doesn't actually have a C7 in house to test on would know.
The manufacturer has the ability to wind tunnel and track test theirs so how do aftermarket places do it?
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Originally Posted by HufferSS
Fast cars have rubber on the quarter panels...you sissies need to knock it off.
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