Loads of tuning companies about with a few big players Custom Code, Revo etc Custom code were doing a deal for £316 all in, there'll be a tuner local to you doing this or a Revo map, there's loads about.
As long as the engine/turbo has been looked after, you shouldn't have many problems. However lots of F1 starts will wreck your clutch, kill em when you're rolling!! :icon_thumright: