Porsche April 28, 2011 | B. Schaffer Porsche 911 GT3 RS 4.0: Biggest 911 Engine Ever Offered Porsche keep pushing the performance envelope and this time it?s the 911 GT3 RS that gets the attention. The track-inspired production car with a new […] B. Schaffer April 28, 2011April 28, 2011
