The Audi TT 2.0 TDI CR 184hp (2014 - 2018 ( 8S )) produces 184bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 225bhp and 460Nm, a gain of 41bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.