took a long weekend, to play golf, drove the vette aprrox. 660 miles round trip. could;t be happier w/ the way it drove and performed.. I took the back roads to dallas , and it was pretty much as fast as you wanted to go. averaged about 85mph and the gas milage was great ..instant 27-29mpg and long term aver. was 25.8mpg.. very pleased!!! only thing ,,I have flowmaster mufflers and tips,, VERY ANNOYING above 85mph , just a low drone that goes right thru your head....anybody else have this complaint w/ flowmaster exhuast???