Anyone Been Able To Retro Fit Xenons On A Hid Car?

I was interested to do this on a new A3 I am getting an already specced car without xenon. I have seen a couple of sites that sell them.

all depends if youhave projector lamps im going to fit a kit to my 99 a3 with updated light lenses from fk automotive in about 2 weeks when the lenses arrive will post how i did it and how hard it was to do