4.6 STS 305hp Stage 1 tuning

The Cadillac Seville 4.6 STS 305hp produces 305 hp and 400 Nm as standard. The YASTUNING Stage 1 remap file takes it to 325 hp and 420 Nm, a gain of +20 hp and +20 Nm. Engine code LH2. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.