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K&N 57I-6506 Performance Intake Kit

57i Series Kits > Performance Intake Kit
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Replaces entire factory air intake system
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty
  • 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 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]

Product Specifications

Air Filter ColorRed
Air Filter Height6 in (152 mm)
Air Filter Large End Diameter5.375 in (137 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Base Outside Diameter5.375 in (137 mm)
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleMini
Clamps Included6
Flange Inside Diameter4 in (102 mm)
Flange Length0.625 in (16 mm)
Flange TypeCentered
Height6 in (152 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene & Flex Hose
Product Box Height10 in (254 mm)
Product Box Length20 in (508 mm)
Product Box Width10 in (254 mm)
Product Style57i Series International Kits
Replacement FilterRC-4550
Street Legal In All US States No
Top Outside Diameter4.5 in (114 mm)
Top StyleChrome
TUV Approved (Europe)No
TypeGen II
Weight7.7 lb (3.5 kg)

K&N 57I-6506 Performance Intake Kit Product Reviews