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  1. Focus ST Performance
    Trying to figure out what the important things to do are. My 2013 Focus ST has a Steeda FMIC, short-shifter, 3" MBRP cat-back exhaust, high performance air filter, and the Steeda sound symposer delete. In my research I see that a lot of people are replacing the rear motor mount, I assume this is...
  2. Focus ST Performance
    I'm relatively new to the world of STs and really new to modifying cars as well. I want to get some more horsepower out of my ST and get a bit more sound from it also without doing or spending a ton. If anyone has any suggestions please let me know. I've been thinking blow off valve, cold air...
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