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57i Series Kits > Performance Intake Kit

List Price: $238.81
Your Price: USD $130.99

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57-0447
 
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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 in (102 mm)
Air Filter Large End Diameter7.5 in (191 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 / FinishNone
Intake Pipe MaterialNo Tube
Product Box Height9 in (229 mm)
Product Box Length9 in (229 mm)
Product Box Width9 in (229 mm)
Product Style57i Series International Kits
Replacement FilterRF-1009
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen I
Weight3.7 lb (1.7 kg)


Customer Feedback


HI, I will rate my new K & N air filter after a few weeks. In the meantime what can I realistically expect from an air intake installed on a 2015 Fit 1.5 Liter? Do you have instructions for installation for the Fit? I assume you have general installation instructions since there are so many models and many years involved. Thanks much. I've used the K&N air filter on several of our previous cars (Hondas and a Mazda 3). John Fogarty, Urbana, Ohio
John, Urbana Ohio
The cleaner works great. I use it along with the oil on my 2012 VW TDI and my wifes 2007 Mazda 3. The comnination of the cleaner and oil is a great combination to keep the K&N filters in tip top condition.
Carl, Menifee, California
Put this part on my 2007 Mazda 3 and you can definitely tell a difference. Car sounds great when you accelerate and even better when you use the lower gears.
Elliot Thorkelson, Cleveland, Ohio