psi is meaningless.
the real question here is what do you plan to use?
you're going over 11 psi, so that means you need a 3-bar map.
3-bar map = hondata time.
so, assumign you are running hondata,
there's no reason not to run the 9.5:1
i have 9:1's, and i wish i stuck with 9.8:1