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57i Series Kits > Performance Intake Kit

List Price: $226.85
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57-0458
 
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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 Height6.313 in (160 mm)
Air Filter Large End Diameter7.5 in (191 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeNot Flanged
Base Outside Length7.52 in (191 mm)
Base Outside Width5.472 in (139 mm)
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included1
Flange Inside Diameter4.37 in (111 mm)
Flange Length1.457 in (37 mm)
Flange TypeCentered
Height4.882 in (124 mm)
Intake Pipe Color / FinishBlack
Intake Pipe PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedMass Air Flow Sensor Adapter Included When Required
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-1620
Street Legal In All US States No
Top Material/FinishStainless Steel
Top Outside Length4.449 in (113 mm)
Top Outside Width3.307 in (84 mm)
Top StyleMetal
TUV Approved (Europe)No
TypeGen I
Vacuum Tubing IncludedNo
Weight2.9 lb (1.3 kg)


Customer Feedback


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
I absolutely love my intake I have a 2013 Ford Fusion SE 1.6L, and I couldn't wait for this part to arrive. The instructions are very crisp and easy to read, and I had no issues with assembly. I have no experience working cars but had no issues installing the part myself. It is quite simple I removed the factory pipe and filter, after removing the inlet air temperature sensor and EVAP vent line connected to the pipe. Probably the most difficult part was installing the new rubber grommet into the pipe for the new inlet sensor, and ensuring you remove the correct bolt on the thermostat housing so you can attach the bracket for the new pipe. I left that bolt loose until the new pipe was fitted where I wanted it, then tightened the bracket. I took my time and installed it in just over an hour. I then took the car for a test drive on the interstate. The first thing you notice, (other than the unique sound) is the acceleration. With my old piping the car would accelerate sluggishly, even when the gas pedal was floored. Not anymore, acceleration is powerful and smooth. During cruise an increase of about 5-7 MPG was noticed. The MPG did take a slight hit when driving in the city, or anywhere with a lot of stopping and starting. This is a must have for any 1.6L Ecoboost owners
Evan, New Jersey