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57i Series Kits > Performance Intake Kit

List Price: $396.30
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57I-2503
 
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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 Height6.344 in (161 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 / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Product Box Height12 in (305 mm)
Product Box Length22 in (559 mm)
Product Box Width14 in (356 mm)
Product Style57i Series International Kits
Replacement FilterRC-70031
Street Legal In All US States No
TUV Approved (Europe)No
TypeGen II
Weight5.2 lb (2.3 kg)


Customer Feedback


Outstanding products. Purchase two K&N filters, one for my 2008 Gmc Sierra and one for a 2008 Ford Mustang GT. Noticed an immediate increase in horsepower. Thank you.
Joseph Wilson, United States
Have had increased performance and very satisfied since installing the KN Air Filter. We have a 2012 Ford Fiesta 4 Cyl. that no longer has a hard time taking the steep hills in our terrain Vehicle has more HP in freeway driving when needed
Dan, Pittsburgh, Pennsylvania
I'm very pleased with this product. The moment I installed this intake on my 2012 Ford F-150, I could feel and defiantly hear the difference. My truck sounds like a beast and the gas mileage is significantly better. I'm glad I bought it.
Randy Acosta , Katy, Texas