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57I-7502
$195.99 USD
MSRP $355.69 44.9% Off
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K&N 57I-7502

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 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
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 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
Weight6.3 lb (2.8 kg)

Customer Feedback

The air filter I bought from the K & N range made an unbelievable difference to my Land Rover Discovery in noticeable performance. (Hard to judge any fuel saving as the vehicle is always towing other vehicles out of trouble.) Buying the filter was very easy, no sucking air through the teeth or grunting, just a person who understood the product and easily identified the filter I needed.

Paul Start
Essex, United Kingdom
I have a Land Rover discovery 2004 and have always suffered with it hanging back until the rev counter reached the 1500 mark. I was advised to install a K&N air filter, and what a difference. The whole performance across the range showing improvement.

Paul Start
Saffron, Walden
Having been motoring for over 40 years, I have always fitted K&N filters on big Japanese bikes and various cars. Apart from their obvious air flow benefits, pair that with the build quality, they will last for years. With a wash and reoil with K&N products, they will out last anything on the market. At present, I run them in my wives Rover and my sports x type Jag and I would recommend them to anyone.

Paul Skelton
Sheffield, United Kingdom