Hey Guys
I have a 2005 Ram 2500 with the 5.9 and a Banks Turbo - Best mileage I can get is 19 MPG running on the highway with cruise set at exactly 55 Mph with the Turbo set on Stock. In town and just around I am getting 16 / 18 Mpg. any ideas on how to improve my mileage ?

 

Good Morning
The best improvement for mileage is more air in (upgrade you air filter or cold intake kit) and more exhaust out(cut the cat out) These trucks need to breath for good mileage and performance.
Putting a tuner in that truck will improve mileage I would use a smarty jr pod( I have one just love it)