BMW M5 w/ Eisenmann vs. Mercedes C63 AMG Hamann EPIC SOUND BATTLE!!

In my opinion these two car are the best sounding cars I saw in London. Yes there was a Pagani, a 599 GTB with Tubi and many other loud supercar. But the cars in the video impressed me a lot. The Mercedes is a C63 AMG with probabily a decatted exhaust system, because the last part of the exhausts is an AMG original part (the owner said us it has a Hamann exhaust but it sounds to me a bit strange). The BMW M5 has probabily the best exhaust system for this car: Eisenmann. So in this video you have t