The Citroen DS5 1.6 THP 200hp (2011 - 2015) produces 200bhp and 275Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 360Nm, a gain of 20bhp and 85Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.