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2004 Hummer H2 Performance Chips & Programmers

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Latest Customer Reviews

Superchips Cortex Programmer Reviews


Thank you

Reviewed By Austin M (New castle, DE) Reviewed for a 2004 Hummer H2 —1/17/2014 10:25 PM

Very pleased

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Jet Performance Module Reviews


Jet Stage I for H2 Hummer

Reviewed By Wade L (Tiki Island, TX) Reviewed for a 2004 Hummer H2 —5/2/2007 10:02 PM

Very Easy to install, and so far to upgrade has been great. I would totally recommend this chip to other Hummer H2 and 6.0L engines.

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Superchips Flashpaq Tuner Reviews


Great Product

Reviewed By Eric H (East Wenatchee, WA) Reviewed for a 2003 Hummer H2 —12/18/2013 7:34 PM

Great increase in power.

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