This tuning file boosts the performance of the Isuzu D-Max 2.5D TwinTurbo (2017) by applying Stage 1 optimization with Vmax limiter removal. Developed for the Transtron 4Jxx ECU (SW: 98224140), the calibration increases output to 198 horsepower and 475Nm, offering stronger acceleration and greater load capability. Supplied as a complete binary file ready for flashing via Alientech Kess.