The Draw-Tite Combo Bar with 2" Trailer Hitch Receiver - 24" Long - Unpainted # 2852 is a 2 inch receiver that uses 1/4 inch thick steel walls. The receiver collar is 1/2 inch think for extra durability. view full answer...
The Pilot Aluminum Universal Side Step Bar # AS-400 referenced in your question is a universal-design that will fit most trucks, SUVs, and vans. As long as you can access the Carado Axion's rocker panel to install this step, it will work great to assist with getting up and into the driver's seat.
The distance between the mounts is 12 inches and the needed hardware is included. view full answer...