[4k 30p] Tuned 750 HP BMW M5 F10 exhaust, downpipes vs 570 HP McLaren 570S Coupé 2 races

With different starting speeds race one and two. Tuned 750 HP BMW M5 F10 exhaust, downpipes vs 570 HP McLaren 570S Coupé GTBOARD.com October 2017 Event sponsored by https://www.schmiedmann.com ► Subscribe here: http://goo.gl/IkIKxo --------------------------------------------- ► Instagram: http://goo.gl/cVEQKG --------------------------------------------- ► Like us: http://goo.gl/YAdLja ---------------------------------------------