The Porsche Panamera 4S is a pretty mean machine, but this doesn't mean that certain owners don't call tuners in for help. Thus ,they end up with special examples of the four-door coupe that come with extra muscles and are ready to play in a higher performance tier.

Of course, these cars also come with a bespoke sound, in order to warn the other drivers that they're not dealing with a stock animal. The adjacent clip, which was uploaded by Youtube user Jorrie2, allows us to listen to the voic... [...]

Source: autoevolution