2006 Hummer H2 Does the GF Chips Advertised Actually Boost Performance by 60...

2006 HUMMER H2

124,017 MILES

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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)?????

Dec 22, 2012 at 3:49 AM

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