CUMMINS ISX 400

Top class tuning files for CUMMINS ISX 400 are just a few clicks away. Choose the generation of the ISX 400 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 400 that you are tuning.
Our tuning files are made by engineering experts and after tuning your ISX 400, it will be safe, reliable and a lot faster.

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