The Peugeot 407 3.0 HDiF 240hp (2004 - 2011) produces 240bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 500Nm, a gain of 40bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.