K&N 57I-3500

57i Series Kits > Performance Intake Kit
List Price: $354.94
Your Price: USD $195.99

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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
  • 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

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
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included4
Couplers Included1
Flange Inside Diameter4 in (102 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
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 StyleCarbon Fiber
TUV Approved (Europe)No
TypeGen II
Weight7.5 lb (3.4 kg)

Customer Feedback

The replacement filter worked better than expected on my 2014 Honda CTX. It gave me an immediate noticeable difference to throttle response. I am very happy.

Raul Holguin
Phoenix Arizona
2001 Honda CRV. Perfect fitment for the OEM air box

I'm very pleased with the performance the K&N filter has given me with my Jeep Wrangler. It took a bit for the computer to adjust for the better air flow. I have been using K&N for many years in my Chevy performance motors and my Honda cars.

John Cook
Knoxville, Tennessee