I looked into a power puck for my 2005 Ram 2500 w/5.9 Cummings and the dealer says that they are obsolete now and you must now use a extreme power puck that is $200 more money than the D7159. What gives, they had a affordable product in the original puck or is it that the original puck is harming ...

I have a 2005 2500 Ram with a 5.9 Cummings, and my question is can you run the puck at +90 setting on my truck with stock exhaust and stock air cleaner, and auto trans., could and damage happen doing this? I was told by the dealer offering this puck to me that I would see a plus 4 mpg empty, and 2 ...