The Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # C13236 is a confirmed fit for the 2018 Dodge Challenger, but unfortunately there is not a hitch fit from any of our manufacturers for the bulging frame on the 2018 Widebody Challenger Hellcat.
I've linked the page to all the hitch options for your model year, but the Hellcat Widebody is not compatible with any of them. view full answer...