S 3.4i 295hp Stage 1 tuning

The Porsche Boxster S 3.4i 295hp produces 295 hp and 340 Nm as standard. The YASTUNING Stage 1 remap file takes it to 310 hp and 355 Nm, a gain of +15 hp and +15 Nm. Engine code M97/21. ECU: Bosch ME7.8.1. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.