Yes, those multi-colored LED headlights are pretty cool! To upgrade your Hellcat lights, you will need to invest in aftermarket headlights. Specifically, look for a color-shifting headlight halo kit.
Depending on the brand and quality of the headlight kit you get, the cost will run between $200-$1,000. Then tack on between 90-$120 per hour for installation costs. Oraclelights.com is a great place to start pricing out options for your Dodge Hellcat.