I recently took this off my car before putting it up for sale, it's covered aprox 25k to my knowledge as friend who previously owned the car originally fitted it.
It's in good condition and started to shine with a quick polish, one part of the induction mesh has got some surface corrosion (see photo) however the filter is very clean. Also included is the heat shield which I never fitted (apologies as not pictured).
Example of fitted kit - http://www.cimotorsports.net/images/T/hks-super-suction-kit-350z.JPG
RRP on these is £340+, I'm looking for £130ono