im gonna RAT the mera, this poll is only for a bit of crack, so it has no real purpose other than to see your reactions lol
http://www.wide-wheels.co.uk/
Expensive in my eyes.
Can be done DIY but you have to be a dab hand with a welder and of course there is the problem of actually cutting the rim.
Best off paying the man.
AFAIK its illegal to bodge it.