The Vauxhall Insignia GSi 2.0 CDTI Bi-Turbo 210hp (2017 - 2019) produces 210bhp and 480Nm in standard form. Our Stage 1 ECU tuning file raises output to 240bhp and 550Nm, a gain of 30bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.