http://www.youtube.com/watch?v=qegU2t2bxEU
theres a lot of mumbo jumbo to listen to, but its a cool video
group n rally car is basically what any non WRC team would be able to afford to do.
"goup N is a production-based class in which, unlike the Open Class, the engine cannot be relocated or the suspension geometry changed. Springs and dampers are free but must be the same design as stock and use the stock pickup points. Brakes are from the production car and every performance piece not on the production car, an aluminum lower control arm for example, has to be homologated by the FIA...."