Yes, think it's likely to be low miles on the 69 plate press car. Would hope it would sound better as the miles increase.
But yes the tips look great and suit the car perfectly.
It is annoying that VW haven't done a bit more with the performance Golfs. I'm sure they would be a great market for some performance-related, warranty-approved accessories such as different wheels, exhausts, intakes, remaps etc. Almost sure they would be a market for these things.