Okay, can't seem to find any posts on this.
Having ridden motorcycles for years I know the value of flashing brake lights.
I have a 2003 TT roadster and want to have some sort of flashing going on when I brake.
Actually saw a Mk1 coupe the other day on the road. When he braked the bottom section of his brake lights flashed. I was unable to get to him to ask what he did. Is it replacement LED bulbs? Some sort of module? Haven't had any results with Google either. The light bar on the trunk would be even better. Anybody?

Thanks in advance.