Tuning S70 T5. How?!?!?

Hi, i have a T5 and i'm thinking ot some tune, but i want to know what is the fuel flow, i'm thinking of 550cc injectors, do you know how much are genuine? And can you give me some information about the turbo, can it make it to 300+ hp?!?!? i will change the intercooler too.

first, make sure your car is running good, ie ignition system, boost pipes etc. then maybe choose a nice remap (rica,bsr,mte), a 3" downpipe with sports cat, and maybe a cat back stainless. it also depends on your budget aswell and what year your S70 T5 is??? maybe even a reverse i/c setup and bsr opti flow, or decent cone filter with heat shield??? even a BMC air intake, all depends on your budget. as for 300+ hp, you engine has to be in good condition, and maybe with the mods listed above, you might just get there...

Car is running good (i hope) My budget is enought for new cooler, new turbo and new injectors, i didnt think of remap. But i want to be sure that i need to change them, if some of it is enought, i will not replace it. So i'm asking how muuch can turbo take, how much is the fuel flow of the injectors, for the cooler i know it is not enought. About the remap - i am from Bulgaria and i dont think i can do remap in any of these companies (rica,bsr,mte), but i'll check here.

OK and how much a re-map will cost me?