5.3 V8 315hp Stage 1 tuning

The Chevrolet Silverado 5.3 V8 315hp produces 315 hp and 458 Nm as standard. The YASTUNING Stage 1 remap file takes it to 335 hp and 480 Nm, a gain of +20 hp and +22 Nm. Engine code L53. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.