Sometimes 350 hp just isn't enough, and with all the unnaturallyaspirated Cobras, Corvettes, and F-bodies prowling the streets, the3,700-plus-pound '04 GTO really needs an edge to stay competitive.

Supercharging an engine for more power is nothing new; racers and even OEM manufacturers have been using superchargers and other forced-induction systems for years to boost the power their engines ...