you can buy a equal length mild steel manifold, mild steel decat for £490 delivered brand new from zisco, you then need a td04 turbo which can be picked up from next to nothing, then you just need gaskets and oil/water lines - your looking at another £150 some bigger injectors and uprated fuel pump - another £200 and then some managment - an emanage blue will set you back £300 brand new with all the harnesses and then probably £200-£300 to get it mapped properly in all your talking around £1400 but as said above it depends how much power you want and if you get all the above, you may aswel get a straight through exhaust which is another £150, and then some grooved/vented discs and better pads £120, a new clutch £80-£300 depending what you want, and the list goes on and on and on!