How I put on 350z rear base brakes and 15s with ET Street Radials:
Remove stock brakes, remove axle nut, remove wheel bearing, remove dust shield.
draw a cut-line to clear calipers. I used a piece of -6 hose and tucked it against the lip as a guide for the sharpie:
cut along line:
clearance required for calipers:
personally I filed off sharp edges and repainted the dust shields, but if you dont care you can just put them back on.
admire your 15s (28s on them for me):
admire your tiny brakes:
admire your xmas tree (if you went with 28s instead of 26s):
looks tougher than it is: