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 ...

In our last installment, we tackled the installation of Stainless Works' gorgeous 1 3/4-inch primary long-tube headers, but what good are these great headers if we choke them up with the stock exhaust ...

Despite the wallflower appearance of the 2004 Pontiac GTO, its heart befit its namesake. The car’s driving dynamics proved to be on par with many popular sport coupes. The new goat doesn’t get much ...