GTR Kings of Ovals Free Add On

Here is a free add on for GTR titled GTR: Kings of Ovals.
GTR recreates the thrill of driving some of the world's most exotic sports cars, such as the Ferrari 550 and 360, Lamborghini Diablo and Murciélago, Chrysler Viper GTS-R, Porsche 996 and Saleen S7-R, on some of the world's most exciting tracks, inclu