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57i Series Kits > Performance Intake Kit

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57I-7503
 
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K&N 57i Generation II Induction Kits are built primarily for European vehicles. They come with K&N's Million Mile Limited Warranty™. These intake kits use only non-metallic rotationally molded tubes that can reduce air temperature and decrease intake sound over a metal tube. Restriction can exist BETWEEN an air filter and the engine reducing the benefit of a K&N Air Filter alone. The weakest link in the airflow "chain" robs a vehicle of its natural horsepower. Often that weak point is the factory air path leading to the engine. K&N Air Intake Kits virtually eliminate air path restriction by replacing the air filter and the entire air path to the engine. The aerodynamically engineered tube drives a massive amount of air into an engine, which translates into POWER. 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 US 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 Height5.906 in (150 mm)
Air Filter Inside Diameter0.375 in (10 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Base Outside Diameter5.433 in (138 mm)
California RestrictedNot legal for sale or use in California
Clamp MaterialSteel
Clamp StyleRegular
Clamps Included3
Couplers Included1
Flange Inside Diameter4 in (102 mm)
Flange Length0.709 in (18 mm)
Height5.906 in (150 mm)
Intake Pipe Color / FinishBlack
Product Box Height10 in (254 mm)
Product Box Length20 in (508 mm)
Product Box Width10 in (254 mm)
Product Style57i Series International Kits
Replacement FilterRF-1682
Street Legal In All US States No
Top Outside Diameter4.528 in (115 mm)
Top StyleCarbon Fiber
TUV Approved (Europe)No
TypeGen II
Weight5.9 lb (2.7 kg)


Customer Feedback


I have used K&N in most of the cars we have owned over the past 7 years and most recently installed one in my 2005 SAAB 9-2X. Besides the improved gas mileage (typically 1 mpg over a new stock filter), and the other benefits mentioned by other users, one area that it helps that no one mentions is protection from rodents! We live in a heavily wooded area, and before using K&Ns, I would often find that mice had made nests using the paper from conventional filters, thereby destroying engine protection provided by the air filter. Mice & chipmunks have really plagued our cars, even eating the top of the gas tank on my wife's new SAAB last spring. (not covered by warranty). They never seem to touch the K&Ns, even in my old MG that sits all week until I drive it on weekends. Must be the combination of a strong wire mesh protecting an oiled gauze that they find distasteful.
Joe Dufresne, Holden, Massachusetts