HPP is proud to add the MM3 to their product line. You can expect the same great industry leading tuning to be incorporated into their new MM3. The MM3 is an all-in-one unit that can monitor, tune, and unlock the ecm.
Includes a stock file.
Now including Free Revmax Approved Transmission tuning for the 68rfe.
Include your S/N located on the ECM Tag. The ECM is located on the driver side of the engine close to the bottom.