as per my signature, i have a 05 4x4, 4 door, dually with an auto. i swapped the 4.10's for 3.73's this summer. right now im at about 88k miles. last month i put on some 33" tires.
its got an industral injection SPS 62/14, and a smarty tuner. S&B intake, and its straight piped with 6" miter...