The Opel Insignia 2.8 Bi-Turbo OPC 325hp (2015 - 2017) produces 325bhp and 435Nm in standard form. Our Stage 1 ECU tuning file raises output to 360bhp and 530Nm, a gain of 35bhp and 95Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.