I got one eight years ago...I was getting 15 mpg before and after I put it on...15 mpg. Just think of the savings I've gotten after 140,000 miles of getting the same mileage as before. you do the math.
4" Teraflex long arm lift. D30 tubed with chromoly axles, high pinion, powertrax no-slip and Warn Lockout Hubs. D35 w/ultimate 35 upgrade OX locker, 4.56 gears. NP231HD, Air on Board, Warn M8000 Winch.