The Citroen Relay 2.8 HDi 128hp (2006 - 2012) produces 128bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 380Nm, a gain of 32bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.