A STāSIS supercharged Challenge Extreme R8 V10 creates a road-devouring weapon, delivering an incredible 710 hp and 523 lb-ft of torque. With lightweight two-piece floating rotors and upgraded tires, the Challenge Extreme edition rockets from 0 to 60 in 3.1 seconds and stops on a dime. And STaSIS delivers the only R8 supercharger kits available in the world with a 4-year/50,000-mile warranty. For extreme enthusiasts only.