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57-0594
$169.99 USD
MSRP $307.99 44.8% Off
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K&N 57-0594 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 provides 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 Height6 in (152 mm)
Air Filter Large End Diameter5.375 in (137 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-4550
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight3.1 lb (1.4 kg)

Customer Feedback

I've have never been disappointed by the quality and value of a K&N filter. I've purchased one for every vehicle I've purchased in the last 25 years. I keep my cars to 200k+, Motorcycles to 80k+, and all sold running well. K&N air filters lowers cost of maintenance, boost performance and efficiency of the vehicle. Acura Legend 290K Toyota Celica 287k, Honda GL1100 91K, Passat TDI 240K, Honda ST1100 89K and Currently Yamaha FJR1300 43K & Toyota Corolla 88K.

Larry
San Angelo, Texas
Just bought a K&N for my 2011 Corolla Sport at a local (Brand Name) store..bought the car from a local Toyota dealer this past Tuesday. I have used K&N before but it has been several years..Thanks for making a great product. I got 20 off also..

Brian Raby
Wilmington, North Carolina
Well I have been using K&N panel air filters for many years. I am a taxi in Cambridge, done 449,000 miles on a Mondeo diesel estate, 340,000 on a audi A6 diesel estate. Now just got a Toyota Avensis 2.0 diesel estate 10,000 miles, all these miles on above cars I had from day one a K&N air filters. Yes as soon as you fit air filter you notice the difference in slight more power, smoother, its a no brainer to buy and fit. Work it out about every 40,000 miles need to buy cleaner and clean the filter not because its noticeable driving car but it just looks dirty, every service you do not buy a air filter. Only a few services and you got your money back on the cost of K&N air filter.

Peter Rule
Cambridge, United Kingdom