Just a word of caution people, a guy i work with had this done 9 months ago. His turbo has just completely destroyed itself and possibly taken the engine with it as some of the bits from the turbo have gone in the inlet system.
SEAT and an independent VW specialist have said the turbo failed due to lack of pressure in the exhaust system.
SEAT have voided his warranty and he is looking at 6K to have a new engine and turbo from SEAT. Last time I spoke to him he was looking around for an alternative.
I am not trying to upset anyone here but I would feel bad myself if this happend to anyone here and I hadn't warned anyone when I had the chance.
Sounds like SEAT are just looking for a way out of paying £6k.