Came from here:
http://www.thezstore.com/page/TZS/CTGY/370z03
But dosen't look as though your colour is listed.
You might have to buy unpainted and get to spray them
But to be frank the front ones will not stop the flanks being chipped - its is a design flaw IMO.
And to be honest the rear ones only stop the chipping on the underside of the rear bumper where you don't see it anyway, unless on your hands and knees
Best bet, in my experience, would be to get a set of aftermarket side sills that drop vertically - like these: