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K&N Air Intake Systems for the Ford Focus RS

Ford Focus RS Performance Air Intake Systems

If you are looking to improve performance, K&N Ford Focus RS air intakes are easy to install and come with a million mile limited warranty.
  • Designed to increase horsepower and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Buy now from the K&N Store and get a 100% money back guarantee and free shipping on any air intake!

Add horsepower to your Ford Focus RS with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart NumberProduct Image 
2004 Ford Focus RS 2.0L L4 F/I - All
Automotive
2004 Ford Focus RS 2.0L Air Intake
57i-2502 57i-2502 Focus RS 57i - Gen II Air Intake
List Price: $416.75
Factory Direct Price: $229.99
2003 Ford Focus RS 2.0L L4 F/I - All
Automotive
2003 Ford Focus RS 2.0L Air Intake
57i-2502 57i-2502 Focus RS 57i - Gen II Air Intake
List Price: $416.75
Factory Direct Price: $229.99
2002 Ford Focus RS 2.0L L4 F/I - All
Automotive
2002 Ford Focus RS 2.0L Air Intake
57i-2502 57i-2502 Focus RS 57i - Gen II Air Intake
List Price: $416.75
Factory Direct Price: $229.99