AEM DryFlow Air Filter for Focus RS (AE-20993) Gates A little research showed that

A little research showed that this was a common issue

true pump control is finally achievable and easy to install

with a single-exit design and a slant-cut titanium burned blue tip

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• No need to remove the rocker arm shafts

AEM DryFlow Air Filter for Focus RS (AE-20993) Gates A little research showed thatThe AE 20993 AEM Dryflow air filter for the Focus RS. This is a direct replacement for the stock filter element and requires no modifications. Vehicle Fitment: 2016 2018 Ford Focus RS More Info: AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil free filtration material that allows easy cleaning, durable