e92 M3 Stock Exhaust modification

[DivideBYZero]

First, the mod in question:

http://www.youtube.com/watch?v=3sUx_j56_AM

I'd even be happy with exhaust repair tape clamped on with metal jubilee clips, rather than this version where they replaced the piping.

Has anyone had this done? Know of anyone in the Berkshire/Hampshire area that could do it?