Ford Focus RS Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Ford Focus RS air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Ford Focus RS Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Ford Focus RS run better. Fast and FREE SHIPPING with any Ford Focus RS air filter

  1. 2018 Ford Focus RS 2.3L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  2. 2017 Ford Focus RS 2.3L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  3. 2016 Ford Focus RS 2.3L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  4. 2015 Ford Focus RS 2.3L L4 Gas air filter
    $79.99 Regular Price $71.99 Special Price
    E-2993
    K&N
  5. 2004 Ford Focus RS 2.0L L4 Gas air filter
    $64.99 Regular Price $58.49 Special Price
    33-2266
    K&N
  6. 2003 Ford Focus RS 2.0L L4 Gas air filter
    $64.99 Regular Price $58.49 Special Price
    33-2266
    K&N
  7. 2002 Ford Focus RS 2.0L L4 Gas air filter
    $64.99 Regular Price $58.49 Special Price
    33-2266
    K&N
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