The Vauxhall Insignia 1.6 CDTi 136hp (2015 - 2017) produces 136bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 380Nm, a gain of 24bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.