Porsche 997 GT3/GT3 RS by 9ff
Owners of a Porsche 997 GT3 or GT3 RS are able to increase the engines power which are equipped their cars they run up to 1000 hp, thanks to a package created by 9ff. Tuners from 9ff have developed a package of modifications for Porsche 997 GT3 and GT3 RS, which can get the power output of the two models...