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57i Series Kits > Performance Intake Kit

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57-0349
 
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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 Height4.5 in (114 mm)
Air Filter Large End Diameter5.25 in (133 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
California RestrictedNot legal for sale or use in California
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included2
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-9420
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight2.6 lb (1.2 kg)


Customer Feedback


Used this and still using on 2005 GMC Sierra 5.3l base model. Increased mileage 2.1 normal driving, 1.1 mile heavy foot driving. Also engine sounded smoother at idle and smoother acceleration. Have used with Ford ,Nissan and Isuzu, all with a same effect.
Ron Mcneal, Lewisville, Texas
I replaced my air filter in my ford f-150 with the K&N filter and noticed an improvement right away. I have had it for a couple of weeks now and have also noticed my fuel mileage has gone from 18.7 mpg to 19.9-21.6 mpg (depending on highway vs city driving). I have used K&N filters in my 1994 corvette as well in the past. Great purchase that pays for itself quickly.
Jeff T, Nebraska
I bought a K&N filter shortly after buying my 1997 Ford F-250 deisel (new). I just replaced the filter (the rubber had a crack in it) with 225,000 miles on it. Great product and I believe it boosted power as well (although it is the only filter I have had on that truck). Now I will use the old filter if the new one needs cleaning If I don't have time to clean and re oil the other one, if i need to go somewhere. Great product.
Jim Reed, Longmont, Colorado