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K&N 57I-2503

57i Series Kits > Performance Intake Kit
List Price: $396.30
Your Price: USD $217.99

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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
  • 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 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

I have a '32 ford roadster and I took a '51 oil bath 2 Barrel air cleaner and made it for a four barrel, gutting the interior and then powder coating it. I had now a huge air clean less the element. I turned to K&N and used there 'size' selection page and after measuring exactly what I needed I was able to find the perfect K&N filter. Of course, I order the wrong one - but it got here in one day. Go figure, super fast. So I called and they were so kind to me, giving me a return number to put on the box and telling me to send the wrong one back to them. But I paid with PayPal, no problem, we will credit you. So I ordered the correct one, and got it in a day. Today I also see that Paypal credited me for what was owned. I never had to call and bug them. I am so impressed. They set the standard for how auto companies should deal with customers. Super happy guy and the finished product is really cool, I do admit.

Ken Partch
Santa Barbara, California
I think your products are well designed and thought out, easy to install and they weather well. I hae a 20yr old ford 1996 f450 and my K&N works just fine, My next project might be my wifes 2014 dodge charger 5.7.

Carmine Guida
New York
I could tell a huge difference after I put a k and n intake in my 2002 Ford f350 7.3 power stroke. Very happy with this purchase.

Zach Papiro
Cogan Station