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57I-2503
$222.99 USD
MSRP $404.39 44.9% Off
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K&N 57I-2503

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 Height6.344 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

Be the first to review part 57I-2503
Easy step by step installation, amazing timing on the shipping. I have a ford 350 with a 6.0 and any one that has one knows the 7.3s are way better but after I put this on it was an amazing difference in truck all together, worth the money.

Benjamin
Texas
I was very impressed overall with ordering from K&N. My order shipped same day and arrived when it was supposed to. The cold air intake system I ordered for my 2003 Ford Crown Victoria Police Interceptor fit very good and the installation was simple. The instructions provided are excellent with step by step instructions with pictures of a Crown Vic engine bay. The increased performance can be felt along with increased throttle response. The sound of the air intake working under hard acceleration is a bonus You can really hear the air being drawn in and it sounds good

Liberty Smith
Caldwell, Idaho
I just got this product yesterday and since putting it in my 1999 ford escort I feel more power out of it the acceleration is better. This product is amazing. The only thing is I wish I could find the cold air intake pipe for my car.

Joel
Maynard, Massachusetts