Ford is indeed making an even more powerful Focus that will top the RS. Yesterday, our spy photographers managed to snap some photos of what looks to be a prototype version of the Focus RS500.
Today, new images of the Focus RS500 have arrived and it appears that the prototype was fitted with new exterior components. Most apparent are what appear to be new air intakes on the lower portion of the bumper. The front spoiler, on the other hand, gets new canard-like extensions on the far corners.
Rounding it all off is a modified rear wing which looks to be bigger compared to the one used yesterday.
As these new parts are still in there prototype phase, it seems Ford's most powerful hatchback is still a long way from being released into the market.