The Volkswagen Jetta 1.4 TSI 160hp (2005 - 2011) produces 160bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 300Nm, a gain of 40bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.