With a stock engine, add-on screw blower, and a handful of shiny bits, the underhood mainly keeps its factory look. The big blower pulley tells the informed there's plenty more to be had. A pulley change and race gas in the tank could get another 100 hp from this combination on grudge night too. The open-element air filter will never pass Cali smog, but opening the stock airbox will, and provide the same easy going power. Have you noticed how Ford puts adequate paint over the entire engine compartment these days?