Brabus has recently released two PowerXtra CGI performance kits for the Mercedes-Benz CL 500 and S 500 4MATIC, in an effort to make full use of the German V8 S-Klasse platform.Both vehicles use a twin0turbo 4.7-liter V8, which, in standard form, delivers 435 hp and a peak torque of 516 lb-ft (700 Nm). Brabus offers its PowerXtra module, which is wired into the car's electronic control system, which brings new parameters for the ignition, injection and boost and is available in two stages.[...]
Source: autoevolution