fuel pump good for how much fuel?
 

turbo kit as follows

14b
hf manifold w/adaptor
custom dp and IC piping
dsm 1g bov
450
afc
upgraded clutch

now onto the actual fuel pump. this is a 91 civic DX. would the stock be enough for 6psi? or would it need upgraded?

Re:fuel pump good for how much fuel?
 

You'll be just fine. If your not upping the pressure FMU style, but just controlling bigger injectors, the stocker can make it pretty far.