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Old 09-02-2012, 09:18 PM   #10 (permalink)
sid
EcoModding Apprentice
 
Join Date: Apr 2010
Location: Florida
Posts: 202

grayranger - '10 Ford Ranger XL 2 door supercab
90 day: 31.64 mpg (US)
Thanks: 27
Thanked 48 Times in 28 Posts
I had the same experience as Darcane that the behind the grill block would flex at higher speeds and open up a little, leaking air. So it wasn't quite as good as my present external grill block. But it does help.

I also used clear plexiglass for the behind the grill block, so it was really invisible.
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2010 Ford Ranger, extra cab, 2.3 liter
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