Ah, Prodrive. Back when Subaru contested the World Rally Championship with a factory effort, England's Prodrive was that "factory". They also do their racing efforts, like run Aston Martins at Le Mans and occasionally try to nose into F1, but what they really do well is rally cars. Take for example the Prodrive Subaru Impreza N2010. The Prodrive Subaru Impreza N2010, as the name would imply, is for the Group N category of rallying. Prodrive's latest ride is homologated to the production-based Group N specs, and the Impreza N2010 features a rather nifty twin-scroll-turbocharger mounted to a two-liter boxer four that also has competition-spec fuel injectors, catalyst and ECU. Bottom line on the dyno is an extra 20 horsepower over the stock machine and you'll