The Vauxhall Insignia 1.4 Turbo 140hp (2013 - 2015) produces 140bhp and 200Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 265Nm, a gain of 25bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.