CUMMINS ISX 425

Top class tuning files for CUMMINS ISX 425 are just a few clicks away. Choose the generation of the ISX 425 from the list below to see all available engines for that generation. This is where you can see the expected power and torque gains for that exact engine of the CUMMINS ISX 425 that you are tuning.
Our tuning files are made by engineering experts and after tuning your ISX 425, it will be safe, reliable and a lot faster.

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