Ive got a Quad XZT tow box, I did a drive last weekend, on one stage I got 26.5 mpg which is the best ive ever got, 65mph set on cruise, that leg 600 km I got 24.5 on the next leg 700 km, towed a U-haul trailer tandem loaded right full probable betweem 3 and 4 thousand lbs, got 20 mpg, my truck just seems to get better, these are all donr on paper, the overhead has never been close.
Diablosport on a CR. my buddy in a 3500 auto got 24+. that with the puck to.Thanks for the input. I had not thought of a used one. There are several listed so which is the most reliable, least amount of issues and best MPG gains Banks, Edge, Diablosport predator, or Bullydog?