Fits 2013-2018 Focus ST
Fits 2016-2017 Focus RSIncludes Focus RS open element airbox with a K&N High Flow Air FilterCold air inlet allows better breathing for increased horsepowerEasy Installation
The cold air intake gets 4 out of 5 stars because I can tell no noticeable change to the performance of the car. The RS cold air intake is just cool. I like this item included the K&N filter.
I wish I did not replace the entire air box. The filter and top of the box can be installed with the existing air box. This minor change would have saved me the headache of changing the lower part of the box where the hoses attach.
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Reviewed by: (Verified Buyer) Kevin Hovis from Washington.