Quote:
Originally Posted by WindyDrew
Folding the mirrors was worse. I could hear the turbulence. Gm must've done a pretty good job in the wind tunnel. I got my wheel covers installed. Pretty easy actually. I'm going to do a step by step since this could be applied to any vehicle for less than $100 and 2 hours time. Enjoy
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The fenders, lights and mirrors are positioned in such a way to reduce noise but not drag.
Having noise does not necessarily mean more drag.