martin pestell

there is a company in the uk that offers a turbo kit for £3500+vat i don't know if that includes fitting. designa-dubs.co.uk has anyone got one or know if they are any good or if there are any other companies that offer turbo kits in the UK?

I've seen a turbo kit made in the USA by Kinetic Motorsport Kit 1t cost about $2650, does anyone know if they are any good and if any alterations are nessary to car ie exhaust ,cat, and engine mods. :? ?!