I had front mount filter kit £90ish HDI FMIC £3OOish Apexi AVCR boost controller £300ish Japspeed manifold and decat £200ish Emanage Blue £300ish HKS actuator £60ish and an oil filter breather about a fiver ;) Mani and decat is for sale and the turbo (ported and less than 8k miles on it!!) and actuator oh and the filter reloaction
I ran mine at a bar using an Emanage and it was a machine for a while!! But had a dodgy map and fucked my rings/piston All depends how healthy your motor is mate mine was mint before the tune, just make sure you take it to a decent place ;) A GT at a bar is pretty quick mate all my stage one mods are for sale but the Emanage is sold
Doubt the Old RS would to be honest, not much quicker than a EP3 Type R, but they are nice ;) Also the Focus ST's are wank, beat one with dead rings/fucked piston was close though