Opel Signum 2.2i 16v 155hp ECU Tuning File

The Opel Signum 2.2i 16v 155hp (2003 - 2008) produces 155bhp and 220Nm in standard form. Our Stage 1 ECU tuning file raises output to 165bhp and 235Nm, a gain of 10bhp and 15Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.