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Order This File Ask a QuestionThe Ferrari 599 GTO 6.0 V12 670hp (All) produces 670bhp and 620Nm in standard form. Our Stage 1 ECU tuning file raises output to 680bhp and 635Nm, a gain of 10bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.