Are you a Porsche 911 Turbo owner? Can’t sleep at night because your car doesn’t have 580 horsepower? Never fear! SpeedArt’s got just what the doctor ordered. The famed Porsche tuner has managed to squeeze an insane amount of power out of the 911 Turbos 3.8 liter flat six thanks to tricks like a remapped ECU and low restriction exhaust. What, not good enough for you? SpeedArt says the company is hard at work on an even more powerful version with 650 horsepower. Houston, we have ignition. Check the gallery for more shots. [Source: Carscoop]