I have an 01 2500 auto. Upgrades are dura-lite paper filter, fass 150series, 300hp motorhome injectors. van aaken modual with a BD-power X-monidtor system. And a banks billet torque converter. I want to improve my MPG a little more then what it is. Was also thinking bout converting over to a Edge juice/ attitude. What are your opinions? Also have the mag-hytech rear diff cover an trani pan