The Draw-Tite hitch shown in the video is under a long backorder, we have no idea when it will be available. However, Curt offers the # C13273 which would work great for you. Check it out using this link: www.etrailer.com/Trailer-Hitch/Mitsubishi/Eclipse+Cross/2020/C13273.html
We don't offer the OEM kit, so we couldn't say what it costs. You can see current pricing for the trailer wiring harnesses we offer here: www.etrailer.com/t1-2020_Mitsubishi_Eclipse+Cross.htm