The Vauxhall Astra 1.6 CDTi 110hp ((J) - 2009 - 2015) produces 110bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 140bhp and 350Nm, a gain of 30bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.