The hitch install is super easy. At least on my wife’s 2014 CX5. Not sure if this could be sourced in HK:

Draw-Tite 76138 Class III Max-Frame Receiver (2" Square Receiver Tube Opening), 1 Pack https://www.amazon.com/..._api_i_MOiAFb8A71Y3C

Having used the strap racks for years, trailer hitch rack is a revelation and so worth the upgrade.