For the B14, you will need to get different spindles. I've heard of the U13 Altimas working, but I'm not sure.
What we did was use B15 QR spindles and had them re-drilled from 4x114.3 to 5x114.3. This way, you can use any brake upgrades available for B15, P10, and P11. This includes Z32, Z33, Wilwoods, Spec-V Brembos, etc. You will need B15 Axles if using hubs from a B15 LE or SER/SPEC-V with a QR25 in it.
The rear, you need to buy the sleeve and spacer from Charlie, Unisa Jecs, that is made for the B15 but is the same for the B14. Then you will need to pull some '95+ Maxima rear hubs and slide them onto the rear spindle with said spacer and sleeve.