Back in our March '06 issue, we installed a bevy of bolt-ons to our project 2005 GTO for a 34 rear-wheel horsepower gain. Included in that story was a quality set of Stainless Works' 1.75-inch headers ...
To say that our 2005 GTO is one bad mofo would be an understatement. Starting out with an incredibly stock yet strong-running '05 LS2, our Project Head Poncho has proven to be a consistent and ...
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