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57i Series Kits > Performance Intake Kit

List Price: $211.53
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57-0373
 
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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 Height2.75 in (70 mm)
Air Filter Large End Diameter6.75 in (171 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Base Outside Diameter6.75 in (171 mm)
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included3
Flange Inside Diameter3.875 in (98 mm)
Flange Length0.75 in (19 mm)
Flange Offset0.375 in (10 mm)
Height2.75 in (70 mm)
Intake Pipe Color / FinishBlack
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-4840
Street Legal In All US States No
Top Material/FinishChrome
Top Outside Diameter5.875 in (149 mm)
Top StyleMetal
TUV Approved (Europe)No
TypeGen I
Weight2.3 lb (1 kg)


Customer Feedback


I've used a K&N air filter on my 2006 SEAT CORDOBA ( Volkswagen group ) with a 1.4 liter engine for 4 years. The product made the tiny 75 Hp VW engine run much smoother with a roaring race-car sound at full throttle and with better fuel consumption (about 6 liters/100 km). Great product. Now I am planing to install one on my new Honda Civic as well.
Rp, Hungary
Fitment is great, it looks good and works as advertised. I run K@N filters in all of my vehicles because they are easy to clean and maintain. The fact that they work for a lifetime and I never need to buy another filter is an added bonus. There are power gains to be had by using these filters. Will you feel it in the seat of your pants? No, but my mileage has gone up every car I have.
Mike O, Wisconsin
Just popped this in my Dad's Alfa Romeo Brera 2.4 JTDM. The difference was very noticeable when I took it out for a test drive. The engine was much looser and responsive. Only giving 4 stars as its just been put in but I'm sure it's worthy of 5. Gave me that extra little push back into the seat : )
Giles Drage, Hampshire, United Kingdom