The Audi TT 1.8T 20V 180hp (1998 - 2006 ( 8N )) produces 180bhp and 235Nm in standard form. Our Stage 1 ECU tuning file raises output to 210bhp and 330Nm, a gain of 30bhp and 95Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.