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Old 09-06-2011, 11:41 AM   #18 (permalink)
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Originally Posted by Arragonis View Post
So the answer is no then ?
Nobody on here has been able to proof they do improve FE, and it wasn't for lack of trying

I still think they could work, but not in the usual massively/truck-sized variety on a regular car.

Something more subtle might do the trick.
Renault / Dacia had them on the rear roof line of their eco-Logan.
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