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K&N Air Intake Systems for the Ford Focus ST170

Ford Focus ST170 Performance Air Intake Systems

If you are looking to improve performance, K&N Ford Focus ST170 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 ST170 with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart NumberProduct Image 
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L 57i Kit Air Intake
57-0441 57-0441 FORD Focus ST170 57i Kit Air Intake
List Price: $227.99
Factory Direct Price: $124.99
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TP FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $526.99
Factory Direct Price: $290.99
2004 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2004 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TR FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $453.99
Factory Direct Price: $249.99
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L 57i Kit Air Intake
57-0441 57-0441 FORD Focus ST170 57i Kit Air Intake
List Price: $227.99
Factory Direct Price: $124.99
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TP FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $526.99
Factory Direct Price: $290.99
2003 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2003 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TR FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $453.99
Factory Direct Price: $249.99
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L 57i Kit Air Intake
57-0441 57-0441 FORD Focus ST170 57i Kit Air Intake
List Price: $227.99
Factory Direct Price: $124.99
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TP

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TP FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $526.99
Factory Direct Price: $290.99
2002 Ford Focus ST170 2.0L L4 F/I - All
Automotive
2002 Ford Focus ST170 2.0L Typhoon Kit (CA) Air Intake
69-3511TR

Est. Power Gain
6.15 HP @ 5000 RPM
69-3511TR FORD Focus ST170 Typhoon Kit (CA) Air Intake
List Price: $453.99
Factory Direct Price: $249.99

Upgrade your Focus ST170 today with a K&N automotive air intake system.