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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

Note: Also compatible with Mk4 Focus ST-Line 1.5 turbo models.

Customer Reviews
5 Based on 9 Reviews
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Filter Reviews:
    Tony W.
    United Kingdom United Kingdom
    Focus ST Panel filter

    Speedy delivery and fitted within minutes.

    Netherlands Netherlands
    High Flow Panel Filter on MK4 Focus 1.5 EcoBoost

    After ordering, received the parts in The Netherlands within 3 working days. Very happy with the service from Mountune in these difficult (Covid) times! After receiving it took me about 5 minutes to install and replace the Original airfilter. Not yet driven the car, but looking to the other customers stories, it will be a noticeable difference. Hopefully Mountune will also come with the intake hose for the 1.5 EcoBoost. And if so, I'll be again a happy customer!

    Kristof V.
    Belgium Belgium
    Good upgrade

    easy to install, 5 minutes work. the car continues a little longer in the high revs. better engine sound. installed on a 1.0 engine 125hp highly recommended

    mountune High-Flow Panel Air Filter Review