builds

Hey everyone! I am trying to build a hellcat but have a problem with what parts do I need to swap? I own a 2016 dodge challenger sxt plus super track pak. Is it just the Engine, transmission, exhaust system, diff, and breaks system? Is that the only difference between an sxt and a hellcat...

My order was placed on the first day for 2017 builds up wondering when I can expect delivery ❤️❤️❤️