Mod Mafia Super Tune


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The new Mod Mafia Super Tune is specifically designed for the Hummer H1 6.5TD.  We did the original development and testing of this Tune on our own trucks.  In our testing, compared to another popular tuning company, we found the following:

  • Cooler engine temps
  • 1.5 mpg increase
  • Higher top speed
  • Quicker acceleration
  • Better shifting
  • Better starts

Suggested Supporting Mods

  • Mechanical Wastegate
  • FTB (Feed The Beast)
  • Lift Pump Relay Harness
  • Remote Mount PMD
  • Boost Gauge

Turnaround time can be 10-14 days. We can supply a good used ECM for $250.  Email or call for details.  It could take longer depending on availability of a used ECM.

We highly recommend you install our “Feed The Beast” upgrade to support the new tune. Also, you should have boost gauge and Exhaust Gas Temp (EGT) gauge to monitor those.

After your purchase we’ll need to know:

  • VIN#
  • Differential gear ratio and tire size
  • Any other power adders you might have


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