About a year and a half ago I looked at the Ruf bumper for my boxster. Last I knew, it retailed for around $1750.00. Ruf has a new distributer in the USA, and they list the bumper @ 1280 euros. The price quoted in 986 RGT's link is for the bumper, side skirts, mirrors etc.. In any case, the Ruf bumper is an extremely well made piece, and its certainly worth the money.
http://www.rufauto.us/ruf/