:: 2006 H1 Alpha 6.6 Duramax We do not TUNE The H1 Hummer anymore! It is now equipped with the 6.6 Duramax and Alison trans. We are currently able to tune the 2006 H1 with amazing results. We can now tune the ECM/PCM out of the vehicle. Contact the Z-Industries, Inc. team for more information.

:: 1996-2003 H1 Hummer 6.5 Diesel We do not TUNE the 6.5 Diesel anymore! We started tuning the the Hummers as far back as 1995 when the gas version was available. In 1996 the 6.5 was introduced in the H1. Stock the vehicles Power and engine Performance is nothing worth talking about until Z-Industries, Inc. gets done with it.

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