Everything is read matches the responses above. Here's something I pulled off an different site
"Transmission ratio, tranny/engine cooling, brakes and charging systems are all the same with/without trailer tow package. There are no mechanical differences between the two except as follows:
The hitch included with the trailer tow package is an entirely different rear-bumper assembly compared to those without - it is not simply an add-on hitch."
Everything I've also read says that the sway control is installed at the factory and CANNOT be added by the dealer or aftermarket.
Keep in mind that the capacity is limited to 1,500 lbs with factory or aftermarket and no trailer brakes, 2000 lbs with aftermarket and trailer brakes or 3,500 lbs with factory tow pkg and trailer brakes.
Edited by enigma-2, 28 September 2018 - 05:56 PM.