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High-Flow Panel Air Filter

The mountune high-flow cotton gauze panel filter for the Mk4 Focus ST provides an instant improvement in both performance and induction noise and is easily installed in less than a minute.

Each mountune filter is manufactured using a multi-stage process resulting in a great fit and virtually no seepage of frame material into the filtration media producing the maximum available filter area.


  • Increased performance
  • Increased induction noise
  • Pre-oiled
  • Lifetime warranty against manufacturing defects
Customer Reviews
5 Based on 3 Reviews
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Filter Reviews:
    United Kingdom United Kingdom

    air filter

    excellent service as always

    Belgium Belgium

    airfilter mountune

    i've installed the mountune airfilter in the car and i'm pleased with the result. i don't know if there is difference in power because i have not driven enough with it the fitment is easy just be carefull and be sure that the airfilterbox is nicely and proper closed the delivery was perfect and nicely to follow one small thing a sticker to put on that there is another airfilter is fitted would have been nice

    Brian T.
    United Kingdom United Kingdom

    High-Flow Panel Air Filter

    Very easy to fit and immediate improvement in performance