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K&N 57-2541 4.8 out of 5 stars 13 Customer Reviews
57 Series FIPK > Performance Intake Kit

List Price: $484.92
Your Price: $266.99

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The K&N 57-2541 FIPK air intake system replaces your vehicle’s restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine’s RPM range. The 57-2541 air intake comes with a chrome topped K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed past the mass air sensor and through an aerodynamically engineered intake tube into the engine’s throttle body for a guaranteed power gain. The tube accommodates the factory mass air sensor, air bypass valve, air temperature sensor and crank case vent hose. The oversized conical air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install usually in 90 minutes or less using the existing factory mounting points. The only tools needed are a screwdriver, ratchet set and several wrenches in most cases. K&N 57 Series FIPK's are street legal in all 50 US states and come with K&N's Million Mile Limited Warranty.

[More Information on K&N FIPK Air Intake Systems]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Replaces entire factory air intake system
  • Free-flowing high density polyethylene tube
  • Easy to install, usually in 90 minutes or less
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty

Product Specifications

Estimated Horsepower Gain13.12 HP @ 4562 RPM
Air Filter ColorRed
Air Filter Height9 in (229 mm)
Air Filter Large End Diameter7.5 in (191 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included8
Couplers Included3
Intake Pipe Color / FinishBlack
Intake Pipe PortsAll intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter IncludedMass Air Flow Sensor Adapter Included When Required
Product Box Height12.5 in (318 mm)
Product Box Length18.25 in (464 mm)
Product Box Width18.25 in (464 mm)
Product Style57 Series FIPK
Replacement FilterRC-5046
Street Legal In All US StatesYes
TUV Approved (Europe)No
TypeGen II
Vacuum Tubing IncludedYes
Weight13.3 lb (6.1 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Product Reviews

  I like what the intake kit did for my Expedition, I was getting 13.4 MPG now I am getting 14.7. I found a 1.4 MPG increase in mileage and I am grateful for that. The response is so much quicker and of course the sound is really cool!!!! Then I also put on a set of shorty headers and increased my mileage by 1.3 MPG that's a total of 2.7 MPG with a grand total of 16 miles per gallon. At this moment in time my mileage is still increasing the other day I hit 17.2 miles to the gallon, and I have a 5.4L. After my future trip I would like to report back my gas mileage, at this rate, I'm sure its going to be great!! Thank you K&N. A very happy customer.
Randy New Mexico
  My restored 1999 Ford Expedition has more power and better response during acceleration. Prior to installing the K&N intake, I installed a performance exhaust system and experienced a moderate amount of HP increase. After I added the K&N intake it turned my late model SUV in to a beast. This truck has never performed so good. I recommend this product to anyone looking to improve the performance of their vehicle at an affordable price.
Joe Jackson Portsmouth, Virginia
  Great performance!
Marla Ernest Lindsay, California
  I FRICKIN' LOVE THIS THING!! I bought this intake for the mpgs, the hp was just a plus and wow did it deliver. I drive 50 miles a day to work and on a full tank by Wednesday I would be down to half a tank. Since installing the intake I'm just barely under a qtr. of a tank. It only uses a half tank for my work week. It was super easy to install. I would recommend this product very much. Best investment I've put in my truck so stop thinking about it and buy it! I wish I did along time ago.
Travis Salinas, California
  Just installed the cold air intake a couple of days ago and immediately put 300 miles on the thing! one word, awesome! I'm like the other customer, the sound is devastating, and the gas mileage is though the roof! But let's be honest, I didn't install it for the fuel economy, (although at this point, I can't imagine not having one) I installed it for the performance, and K&N delivers big time! The sound, the performance, the fuel economy (my pocket book thanks you) un-real! Thanks guys your the best!
Imani Chicago, Illinois
  I recently experienced a failure in a component of my 57-2541 Cold Air Kit after 100,000 trouble free, fuel saving miles. The problem was easily diagnosed and repaired by me at home. I contacted Elzabeth Taylor in Customer Service who was extremely helpful and very understanding in regards to my situation. She instantly shipped me a the part to replace the part that I field fixed in my driveway. She requested that I take some photos and send them to her so that Research and Developement could take a look and make any adjustments if necessary. I was delighted to comply and sent them back to her later that evening. I have K&N Cold Air Kits in my 1999 Ford F-150 and my son's 2013 Chevy Sonic 1.4 Turbo. I have an air filter in my wife's 2012 Dodge Caravan. Your products have served us well and delivered the performance figures that you quoted. Actually, I got better than quoted performance on my 1999 F-150. I averaged over 1.5 mpg increase after the intallation. I will be purchasing a Chevy Silverado with a Duramax Diesel engine very soon. I am anxious to see what we can do with K&N products at that time. Keep up the good work and the great customer focused service.
John R. Farill Cookville, Tennessee
  Easy fit and installation instructions. I noticed more jump at acceleration and with the added dual exhaust I am getting 3 MPG + which is what I was looking for. Thanks.
Chris Georgia