I'm digging the Focus RS; more than the Speed3 and STI for sure. Cobb and Diablo already have tuning to support the entire EcoBoost lineup so there's no reason both won't jump on the RS as well. I see that MAP has already crossed 500whp on the EcoBoost Mustang with the stock block.
https://www.youtube.com/watch?v=gSbO...ature=youtu.be