MERCEDES AMG GT63S 4.0TT
Sam delivered this menacing looking GT63S AMG 4.0TT to us for a custom Etuners ECU calibration.
Factory quotes 470kw at the engine and this AMG delivered a baseline of just under 400kw to the wheels.
After a Custom Etuners dyno tune the power curve is incredibly strong with 485kw produced at the wheels.Peak gains were nearly 90wkw at the top end of the power curve and over 100wkw gains throughout the midrange ????
Very impressive results on this platform with a custom tune only, no additional hardware was installed.
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