you mean like this ?
here's on on ebay, but its silver,
http://www.ebay.com.au/itm/Benen-Rear-Tow-Hook-Dc2-Eg-Ek-Dc5-S2000-S15-Gtr-Type-R-/250956117152?pt=AU_Car_Parts_Accessories&hash=item3a6e2674a0#ht_500wt_1203
not sure if this guy still sells some
http://firesport.com.au/benen-tow-hooks-turbo-boost--ad199422.htm