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Order This File Ask a QuestionThe MG ZT 2.5i V6 190hp (All) produces 190bhp and 245Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 260Nm, 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.