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Order This File Ask a QuestionThe Citroen Xantia 2.0 HDi 90hp (All) produces 90bhp and 205Nm in standard form. Our Stage 1 ECU tuning file raises output to 120bhp and 275Nm, a gain of 30bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.