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rear dif

  1. 4th Gen Powertrain
    Guys I’m new here. So take it easy on me. I have a 2010 3500 4x4 DRW. EGR and DPF deleted. 5 inch exhaust and S&B intake. Running an H&S mini max on its 125 horse tune. Firestone bags on the rear end. 285 tires and 17 inch rims. And I believe I have 3.75 gears. But I own and operate a backhoe...
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