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2006 Hummer H2 Repair Question


Topics covered: Engine, Exhaust, Performance.
Mileage: 124,017 miles.

Asked on December 22, 2012

Hummer H2 Engine Problem

Does the GF Chips advertised actually boost performance by 60 horsepower, and if so will it affect most of the other components of the engine (transmission shift, exhaust flow, traction control adjustment)?????
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