CUMMINS ISX 525

Top class tuning files for CUMMINS ISX 525 are just a few clicks away. Choose the generation of the ISX 525 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 525 that you are tuning.
Our tuning files are made by engineering experts and after tuning your ISX 525, it will be safe, reliable and a lot faster.

Pick your build

• All