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cobb catback

  1. Focus ST Performance
    How does the ST run with the catback and downpipe installed without a tune? Also, my dealership said it is going to take a month to get the replacement motor mounts to fix the 1-2 bang. Should I wait to install the exhaust until the mounts get replaced to avoid warranty issues? (I'm worried...
  2. Focus ST Performance
    So today was a bit of good and bad, and a bit more of a learning experience for this car. I began the day with high hopes of making bajillions of horsepowers with the Stage3 configuration. I setup the car with our Stage2 map to get a baseline with the newly added downpipe. Within the first...
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