There's plenty of aftermarket head units that offer all the best features of modern infotainment. E.g. https://www.youtube.com/watch?v=hghWr1_UwqM
Or better - build it myself
That's called a kit car.
CCS
That's not really true, since on reddit only the one host can see the votes, as opposed to anyone who is willing to put the effort in.
There's plenty of aftermarket head units that offer all the best features of modern infotainment. E.g.
https://www.youtube.com/watch?v=hghWr1_UwqM