The guy at Audi I asked about this just said they were easy to fit and full instruction came with them.
HOWEVER at present you can only get white ones aftermarket. The other colours are all part of the vent assembly and although clearly show as a seperate part in different colours on Etka they are not available seperatley. So if you damage one them it's going to be expensive.
We will have to either wait for different colours to be released or paint / Vinyl the ones you have.
Yes it does make sense i was looking at the red ones saturday in the Bristol flagship dealers not sure about the red ones now the plastic coating makes it look a bit creamy to my eyes , still looking for pictures of the aluminum ones now.
Yes some pictures would be nice.