K&N 57-0594

57i Series Kits > Performance Intake Kit
List Price: $301.97
Your Price: USD $165.99

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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 always 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]
  • 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®

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

Be the first to review part 57-0594
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
Very excellent filter I'm very pleased with it, I got one on my Toyota Tacoma for the past six years very good product, I'll be getting two foot my new Toyota Corolla at a later Gil Ramos

Gilberto Ramos
Riverside, California
I wanted to buy a filter for my new Toyota Avensis. It is an eighteen hundred cc petrol powered Tourer and although the original paper filter was adequate, the K&N cotton based filter certainly made a marked improvement in performance. I would certainly recommend others to change to K&N's cotton filters but take advice first regarding your type of engine and what you want from the filter. I have had the filter in the car for about a month now and am going to purchase K&N's Care Service Kit to keep the filter in tip-top condition. When the car comes out of warranty, I am going to make more improvements to the car by using other K&N products. I am a seventy year old who thinks he is forty (so my wife keeps reminding me).

London, England