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K&N Air Intake Systems for the Audi S4

Audi S4 Performance Air Intake Systems

If you are looking to improve performance, K&N Audi S4 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 Audi S4 with a K&N air intakes.
K&N Air Intake Systems
Vehicle DescriptionPart NumberProduct Image 
2001 Audi S4 2.7L V6 F/I - to 7/01
Automotive
2001 Audi S4 2.7L 57i Kit Air Intake
57-0574 57-0574 AUDI S4 57i Kit Air Intake
List Price: $347.99
Factory Direct Price: $191.99
2000 Audi S4 2.7L V6 F/I - All
Automotive
2000 Audi S4 2.7L 57i Kit Air Intake
57-0574 57-0574 AUDI S4 57i Kit Air Intake
List Price: $347.99
Factory Direct Price: $191.99
1999 Audi S4 2.7L V6 F/I - All
Automotive
1999 Audi S4 2.7L 57i Kit Air Intake
57-0574 57-0574 AUDI S4 57i Kit Air Intake
List Price: $347.99
Factory Direct Price: $191.99
1998 Audi S4 2.7L V6 F/I - All
Automotive
1998 Audi S4 2.7L 57i Kit Air Intake
57-0574 57-0574 AUDI S4 57i Kit Air Intake
List Price: $347.99
Factory Direct Price: $191.99
1997 Audi S4 2.7L V6 F/I - All
Automotive
1997 Audi S4 2.7L 57i Kit Air Intake
57-0574 57-0574 AUDI S4 57i Kit Air Intake
List Price: $347.99
Factory Direct Price: $191.99

Upgrade your S4 today with a K&N automotive air intake system.