Chevrolet Suburban 5.3 V8 355hp ECU Tuning File

The Chevrolet Suburban 5.3 V8 355hp (2015 ->) produces 355bhp and 519Nm in standard form. Our Stage 1 ECU tuning file raises output to 375bhp and 550Nm, a gain of 20bhp and 31Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.