The company did not disclose secrets about squeezed out of the engine power, but it is known that the German sports car received a set of turbines Gen 2 Twin Turbo and a control unit JRR MoTec M1.
Exact specifications modified coupe yet, but there is no doubt that Underground Racing, famous for its heavy-duty engines, unsuccessful, possibly the most powerful and fastest Audi R8 second generation in the world.
Photo: Underground Racing
