Feel the raw power of the Audi S8 4E with its Lamborghini-derived V10 engine and custom straight-pipe exhaust setup. This ...

Audi Q7 Audi 4.2 FSI SUV straight pipe About the author: Mihnea Radu Mihnea's favorite cars have already been built, the so-called modern classics from the '80s and '90s.

In the video below, YouTube uploader Marchettino is driven around through a bunch of tunnels in an Audi RS4 with free-flowing straight pipes. The result I think speaks for itself and can be heard ...