how and how much will it cost to chrome a car (picture included)?

i know it probably depends on the car and place but on average how much will it be i want something like this http://media.photobucket.com/image/recent/csm1980/Gran%2520Turismo%25205/Ahrweiler-TownSquare.jpg
also is it legal i saw one on the streets today but it seems like it may be a distraction or light reflecting blinds other drivers or something