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Towing and HaulingDiesel Discussions of Towing and Hauling Practices , Techniques , Tips Including Trailers , Campers , 5th Wheels , Goosenecks , Boats and More
The mighty Cummins will pull anything you hook up to with no mods, the mods just make it more fun. The only box I've found that actually helps towing is the SMARTY and it's a huge improvement for low end torque.