I have a 2001. 5 2500 2WD with gages and 4" exhaust along with a AFE Mega Cannon w/Outerwears pre filter. I have the stock auto transmission. . what would be easier on the trany? Powerpuck, or EZ. . Trany has 35,000 miles on her. Thanks allot. . I do enjoy reading all the great info here. .