Originally Posted by DangaRanger99
I took my teauneau (SP) cover off and am gettign alot better mpg's
If I heard right, someone told me that mythbusters did a show about that showing that caps and tonneaus actually get less gas mileage. I'll see if I can pull some info on the episode...
yup, here is something about it. Can't research more as the school firewall won't let me look at many of the sites.
This one talks about the tailgate, but I believe they tested toppers and tonneaus as well.