I would go for a company called Sygav.com, they have HU that look OEM and can't even tell. I personally have one in my 15 STI. Best decision ever.I have a 2015 STi base (non HK) and I would really like CarPlay but want to retain a more OEM look. How difficult would it be to swap in a HU from a 2019 STi? Are there any good guides out there? Thanks y'all!