Like we said a bit earlier today, many new go-fast cars don’t come with an appropiate soundtrack for the performance they deliver. This time, we shall zoom in on the new Porsche 911, in order to see how much an aftermarket exhaust can do for the voice of its flat six. The adjacent clip shows us a 911 Carrera S, which has been gifted with an iPE Innotech Valvetronic Exhaust System. This includes the following goodies: iPE-Headers... [...]Source: autoevolution