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intake sounds
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  1. Focus ST Performance
    I drive a 2018 Focus st with about 42k miles on it. I haven’t done many upgrades aside from minor appearance stuff as well as a sound sympose delete and an injen cold air intake. A couple days ago I purchased a COBB Acessport and plugged it in and mapped the OTS stage 1 tune. Car is running fine...
  2. Focus ST Discussions
    Hey all, So I have a green air filter in my 18' ST1, love the flutter and conservative(ish) bypass valve sounds on liftoff and change. For a while, I tried running with the airbox off, love all of those liftoff noises with the box off but the constant sucking intake noise from inside the cabin...
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