Exhaust Sound GT Silver Porsche GT4 RS

Porsche GT4 RS comes with a 4.0-liter flat-six from the 992 911 GT3, with 493 hp and 331 lb-ft of torque, an extra 79 hp and 14 lb-ft compared to the 718 Cayman GT4&mechanically unrelated 4.0-liter flat-six. #porsche