
The Ford Focus RS is the hottest $40,000 car around right now. A new addition to the rally car segment in the US, it takes on the STI, the Golf R, and the echoes of Evos past. All things stock, the Focus RS seems to have them all beat, outgunning them by around 40 or 50hp, but what happens when aftermarket mods and tuning come into play?
The simple fact is the Focus RS’s stock turbo is out of breath around 380-400 crank horsepower on pump gas. Ford doesn’t use way oversized turbos in their cars, and as a result its basic tuning potential may seem a little lacking compared to, say, the Golf R or the Evo.
Having said that, fear not, because peak horsepower numbers are only a small portion of the story, especially for a street-driven car. So let’s have a look…
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