The Volkswagen Jetta 2.0 TDI 170hp (2005 - 2011) produces 170bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 420Nm, a gain of 30bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.