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K&N 57-0686 Air Intake

57i Series Kits / Performance Air Intake System
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57-0686
$168.99 USD
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Product Overview

  • 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®
The K&N 57-0686 Air Intake fits some Ford Fiesta VI, and Ford Focus II models. See vehicle applications link for details.
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 provides even more airflow at lower restriction than a K&N O/E replacement filter which is 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]
Replacement FilterRC-8490
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included1
Clamp MaterialSteel
Clamp StyleRegular
Couplers IncludedNone
TypeGen II
Product Style57i Series International Kits
Air Filter Height5 in (127 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialFlex Hose
Street Legal In All US States No
TUV Approved (Europe)No
Weight2.3 lb (1 kg)
Air Filter Large End Diameter6 in (152 mm)
Product Box Height9 in (229 mm)
Product Box Length9 in (229 mm)
Product Box Width9 in (229 mm)
California RestrictedNot legal for sale or use in California
Mounting Hardware IncludedYes
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 57-0686 Air Intake Product Reviews

Friday, July 7, 2017 - Part 57-0686
Amazing product.

Arash
London
Wednesday, June 7, 2017 - Part 57-0686
Filter took around 35 - 45 minutes to fit, and car feels so much more responsive with this fitted. The sound is also amazing, would definitely advise anyone to purchase this product.

Matt Rollinson
West Midlands, United Kingdom
Saturday, February 4, 2017 - Part 57-0686
Fitted it today - took about 60 mins (I have no mechanical skills whatsoever) but found it better to remove the plastic spoiler from under the car when fitting the flexi cold air tube - just an idea. Makes the engine sound much nicer, and gives a slightly better throttle response. Definitely worth the time and money.

George
Nottingham, United Kingdom