2006 f-250 king ranch. 4x4 6.0 power stroke. 163,000 miles on pickup. I am the second owner. The first owner never pulled anything with it. I have only pulled a car trailer. The pickup is a must see in person to see how nice it is. It does have 4" turbo back exhaust. For more info or to see it call Zack at 785 two six 9 seven 02 eight. I have been getting 18-19.5 mpg with it.