The Kia Telluride 3.8 V6 291hp (2019 ->) produces 291bhp and 355Nm in standard form. Our Stage 1 ECU tuning file raises output to 320bhp and 380Nm, a gain of 29bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.