xjguy as car companys seek to meet new higher mpg standards they are simply looking for easy cheap ways to lower aerodrag which= more mpg's. it is a tried and true method for more mpg. many,many people on this site and others (including me) have proven time and again ,its an easy way to lower drag and stretch your $$$'s .,,, and as a side note i think this internet thing might catch on as well!
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