4.4 Supercharged V8 443hp Stage 1 tuning

The Cadillac XLR 4.4 Supercharged V8 443hp produces 443 hp and 561 Nm as standard. The YASTUNING Stage 1 remap file takes it to 480 hp and 600 Nm, a gain of +37 hp and +39 Nm. Engine code LC3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.