2003 - 2008
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Order This File Ask a QuestionThe Vauxhall Signum 3.0 CDTi 184hp (2003 - 2008) produces 184bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 219bhp and 470Nm, a gain of 35bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.