What mods can be done to increase fuel mileage. I am not expecting MPG of a civic but am curious if there are mods that do improve mpg in real world driving outside the advertising claims of product distributors. WOW What a run on sentence.
What is the best performance module in which I do not have to worry about damaging the engine or driveline. Has anyone heard or used the Banks modules? I have an '05 excursion 6.0L. Thanks for any help.
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