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Reviewed By Austin M (New castle, DE) Reviewed for a
—1/17/2014 10:25 PM
Reviewed By Wade L (Tiki Island, TX) Reviewed for a
—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.
Reviewed By Brad T (SUNOL, CA) Reviewed for a
—10/29/2013 6:38 PM
Easy installation, love the auto tranny shift firmness adjustability and yes actually I can notice a performance increase