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  1. Sold Sold Sold
    A. Item for sale: Mountune High Flow Air Filter v2 B. Condition: Used C. Price/What you want to trade for: $35 D. Location of item: Will ship in US - 48 Contiguous states Only had 10k miles on it, good condition and plenty of oil still on it.
    $35 USD
  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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