The Volkswagen Touareg 4.2 V8 TDI 340hp (2010 - 2014) produces 340bhp and 800Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 950Nm, a gain of 60bhp and 150Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.