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mountune High Flow Air Filter Focus ST 2013-2018
mountune High Flow Air Filter Focus ST RS  2013-2018


 
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V2 mountune High Flow Air Filter - Focus ST and RS 2013-2018


NEW ! UPDATED V2 DESIGN


Application;
Focus 2012-2018
Ford Escape 2012-2017
Focus ST 2013-2018
Focus RS 2016-2018

2363-AF-AA

We are always striving to improve our products and our new updated V2 High Flow Air Filter for the Focus ST and RS includes several enhancements that substantially enhance air flow compared to the standard filter and even our previous version.

Improvements include a unique smooth radius in the primary inlet port providing an efficient transition for air flow along with a shorter inner filter cone to allow maximum air velocity and flow directly to the inlet port.

These updates coupled with double layer cotton gauze with deep pleats that creates a 10-15% increase in filtration surface area compared to other filters on the market. The oiled filter media is incapsulated in steel mesh that helps to maintain the perfect shape under the most extreme conditions. Each mountune filter is manufactured using a four step process resulting in a precision fit and virtually no seepage of rubber frame material into the filter media producing the maximum available filter area.

Please note for Focus RS, replacing the original air filter with a high flowing unit may cause a whistling type noise on some vehicles. Please see our Sound Suppression Chamber for more details.


  • Improved Air Flow
  • Pre-oiled
  • Increased performance
  • Lifetime warranty
  • Made in USA


Average Rating: 5 of 5 Total Reviews: 103 Write a review »

  0 of 0 people found the following review helpful:
 
High Flow Air Filter June 4, 2019
Reviewer: Austin Whitta from Navarre, FL United States  
Gave me exactly what I wanted I would highly recommend and it makes me want to buy more of mountune’s performance parts

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  0 of 0 people found the following review helpful:
 
Easy install May 23, 2019
Reviewer: Mario Almaraz from Los Angeles, CA United States  
Good quality

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  0 of 0 people found the following review helpful:
 
Great Brand and Great Product May 8, 2019
Reviewer: Kyle Gurtner from Gilbert, AZ United States  
Great air filter! Works and soujds greatpaired with the RS airbox on my ST. I will continue to order from Mountune time and time again!

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  0 of 0 people found the following review helpful:
 
April 25, 2019
Reviewer: Juan carlos Rodriguez perez from Pittsburgh, PA United States  
gorgeous job about mountune,all items that I have in my hands are wonderful.

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  1 of 1 people found the following review helpful:
 
Awesome as expected April 11, 2019
Reviewer: Kyle Hall from Omaha, NE  
Easy install. My first upgrade of my new 2018 ST. Absolutely love the throaty sound now. I find myself keeping the music off just so I can listen to that beautiful sound.

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