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57-0239
$111.99 USD
MSRP $202.99 44.8% Off

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K&N 57-0239 Air Intake

57i Series Kits > Performance Intake Kit
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Replaces entire factory air intake system
  • Not legal for highway use in states adopting California emission regulations
  • Washable and reusable lifetime air filter
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty®
K&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open-air air filters provide even more airflow at lower restriction than a K&N O/E replacement filter which is limited to the size of the factory air box. The larger air filter also captures and holds more dirt increasing its service life before a cleaning is required (up to 100,000 miles). The filter is either directly attached to the engine carburetor or throttle body or indirectly through a tube assembly running from the filter to the engine. All adapters are made from high quality materials such as steel, aluminum, silicon or reinforced nylon to ensure long life. 57i Intakes are not legal for use in California and other US States adopting California emission standards.

[More Information on K&N 57i Induction Systems]

Product Specifications

Air Filter ColorRed
Air Filter Height5.438 in (138 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included1
Intake Pipe Color / FinishBlack
Intake Pipe MaterialFlex Hose
Product Box Height9 in (229 mm)
Product Box Length9 in (229 mm)
Product Box Width9 in (229 mm)
Product Style57i Series International Kits
Replacement FilterRC-9240
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight2.1 lb (0.9 kg)

Customer Feedback

Be the first to review part 57-0239
Great drop-in filter for Audi A3 that bumps up fuel economy a bit and performs extremely well compared to disposable filters.

Scott
Chicago, Illinois
On our cars (Volkswagen / Audi 1.8T Motors) Upgraded air filters wont give us any more power then we already have. It's just a fact. But if you need an air filter why not get one that you don't have to replace every time and could just clean and re use? K&N is one of the best filters out there period. I'm a real person and wasn't paid to say this. I was going to get an (brand name) but they don't have the same guarantee as K&N. It also came a lot faster then I was expecting it to.

Ira
San Diego, California
Instant low end power boost and a throaty sound for my Audi A5 2.0T; I recommend this air filter.

Joe Galdo
Jackson, New Jersey