The most important bit in that pdf...
Max efficiency boost level is only 20psi, running outside of this (i.e. the turbo gets hotter) you can go up to ~25 - 27 psi. Or up to 1.8 bar. Of course you can always push outside of a compressor map, just means you make more heat and are less efficient. (Which is why you can smash more and more boost in, but not make the same proportional gains say going from 1 bar to 1.4 bar as you do going from 1.4 bar to 1.8 bar)
Going off memory (and I know I'll be wrong) a 2L can flow a max of 400ish cfm where as a 2.5 can flow 450ish.
So it should give a good punch.