The Vauxhall Antara 2.0 CDTi 150hp (2007 - 2011) produces 150bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 400Nm, a gain of 30bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.