725HP Audi RS6 C6 V10 BiTurbo w/ Akrapovic – Start, Revs, Drag Racing! Acceleration & Sound Drag & Track by turboandstance - July 31, 2018August 3, 2019 During the SCC500 Rolling50 they have filmed this stunning Audi RS6 C6 V10 w/ Akrapovic Exhaust. Not only the exhaust is special, this one is also tuned to 725HP! You will hear the start up, revs and drag racing against some other supercars.Like the Mclaren 570S and 720S. Best VMAX after 1000 meter (rolling start of 50km/h): 257.27 km/h. Follow us also on Facebook and leave a comment below! Leave a comment