Quote Originally Posted by rocafella2032 View Post
i understand. i assume the way the dic is which would be callobrated in some way, its still going to find the avarage the same way. i dont find it hard to beileve that how well the mufflers flow compared to stock that i would get better mileage. Im not trying to argue, i just think regardless of how it calculates it improved.
The DIC is a joke, its their to look pretty and that's it. If you want an accurate reading your going to have to do it the old fashion way, with simple math and i very very highly doubt you gained mpg by mufflers.

Hell my DIC shows mpg dropping 1 by 1 when at idle...