5.3 V8 320hp Stage 1 tuning

The Chevrolet Suburban 5.3 V8 320hp produces 320 hp and 454 Nm as standard. The YASTUNING Stage 1 remap file takes it to 350 hp and 480 Nm, a gain of +30 hp and +26 Nm. Engine code LY5. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.