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K&N 57-2546-1 5.0 out of 5 stars 5 Customer Reviews
57 Series FIPK > Performance Intake Kit

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57-2546-1
 
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The K&N 57-2546-1 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 57-2546-1 air intake comes with a K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed 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 and air temperature sensor. The oversized oval shaped 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 and requires commonly available tools. 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 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
Available Information
Installation Instruction Sheet
57-2546-1 Vehicle Applications
Dyno Chart - 2003 Ford F350 6.0L - 15.53HP Increase
Video Installation Video
News Story - Ford F350/F250 Super Duty Gains 16 + Horsepower with K&N 63-Series Air Intake
News Story - Simple Ways to Boost Performance of your Ford F-250 Super Duty
News Story - Ford F-350 Super Duty Performance Upgrades Are Affordable and Simple to Install


Part 57-2546-1 Product Specifications
Product Style: 57 Series FIPK
Estimated Horsepower Gain: 15.53 HP @ 3426 RPM
Replacement Filter: RC-5178
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: Yes
Air Filter Height: 7.875 in (200 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 7
Clamp Material: Stainless Steel
Clamp Style: Regular
Couplers Included: 3
Type: Gen II
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Intake Pipe Color / Finish: Black
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
Weight: 12.1 lb (5.5 kg)
Product Box Length: 18.25 in (464 mm)
Product Box Width: 18.25 in (464 mm)
Product Box Height: 12.5 in (318 mm)


Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews    See all reviews!  Review part 57-2546-1

 Immediate and noticeable performance improvement. I wish I had done this years ago.
Timothy Ruark, Oktaha, Oklahoma
 Got my part in quickly after order. After install, you could feel the power gains and the breathability. It makes the inside of the truck a little louder, but that's expected. Since install, which was just recently, we've already put 500 miles on it, and it's been preforming very well. K&N, you will always be my store for quality air parts.
Joshua Du Pre', Lawrenceville, Georgia
 It gives my truck so much more than the stock intake filter. It's responsiveness is very nice. The truck sounds much nicer also. I catch myself having to slow down even, it gets me to 80mph in seconds. I couldn't be happier.
Tom, Cle Elum Washington