The Opel Astra 2.0 CDTi 160hp ((J) - 2009 - 2015) produces 160bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 40bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.