Retrieve stock mm3 file type from your MM3 Tuner.

This video will help you find your stock mm3 file and teach you how to save it and send it to us so we can custom tune your truck.


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Send us your stock file upon receiving your new MM3 tuner!

We will no longer ship MM3s with tune files installed. You must send us your stock .mm3 file prior to tunes being made and here’s why.


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