Most of our OBD-I Tuning Packages use 56k binaries and some are 256k, All OBD-II use 256k.
--- These are all OEM Tune Files ---
By downloading and using ANY of these files, you agree you are using them and creating tuning files at your own risk, and we ARE NOT responsible for your broken or blown up car or truck due to the lack of understanding their abilities. You also must understand that they may not be allowed to be used on your vehicle in your state or county.
Now that we are clear, you can proceed below.