Fabspeed Motorsport

Fabspeed Mercedes-Benz AMG GT 4.0L V8 Bi-Turbo XperTune Performance Software


Performance ECU software upgrade improves horsepower, torque, and driving characteristics of the AMG GT's M178 4.0L V8 Bi-Turbo Engine by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.


Fits all Mercedes-Benz AMG GT's M178 4.0L Bi-Turbo Vehicles

AMG GT / GT S / GT C will see about 585 HP and 590 ft/lbs of TQ at the crank

AMG GT R will see about 625 HP and 630 ft/lbs TQ at the crank

Fabspeed Motorsport saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time