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Order This File Ask a QuestionThe Citroen C8 3.0i v6 208hp (All) produces 208bhp and 285Nm in standard form. Our Stage 1 ECU tuning file raises output to 225bhp and 305Nm, a gain of 17bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.