I searched for this , but didn't get any matches , so sorry if this has been here before
Extreme Audi RS6 950 hp from EDT. - RS6.com | International Community
Audi RS-6 Engine mechanics:
To reach this kind of extreme power, there was a lot of mechanics EDT had to process.
2 x Garett competition ball bearing turbo’s 230.000 Rpm
Compression ratio decreased
Watercutted cylinderhead gasket stainless steel
ECU remapping via CMD in 7 stages
Competiton exhaust
2 x K&N sportairfilter
2 x cylinderhead “geflowed” & re-shaped
2 x racing katalysts superflow
20 competition valves extra
Ceramic breakes.
Field Data after tuning:
Acceleration 0 – 200 Km/h : 9,158 sec. (0 – 125 MpH : 9,158 sec.)
Fuel consumption under full throttle: 43 L/100 Km
Top speed : Calculated 380 – 400 Km/h (236 – 249 MpH), (not tested)
All pictures and text is located there , quite sick , discuss what you think about it. I'm seriously astonished by the 0-200 time

Also , the top speed does seem to be real aswell.
Discuss.