Wondering opinions on my 5e going td05 what's the best?

[scottsmith96v]

Right I currently have a fully forged 5e 550cc injectors standard inlet mani fmic I have a choice of two ecus a ks rom one or a emanage ultimate thinking of running ks full 3inch turbo back exhaust walbro 225 pump and I need opinions on what's td05 to run, what's the difference between all the different td05s 18g 16g ect? Car will be a fast road set up with maybe some track use and what sort of power will I run when mapped? Engine in my mates ran 319 at the wheels on a vf set up thanks