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57-2543
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K&N 57-2543 Air Intake

57 Series FIPK > Performance Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   8 Customer Reviews
  • 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
The K&N 57-2543 Air Intake fits some Ford Bronco, Ford F150, Ford F250, and Ford F350 models. See vehicle applications link for details.
The K&N 57-2543 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 57-2543 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 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 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 K&N FIPK Air Intake Systems]

Product Specifications

Estimated Horsepower Gain10.22 HP @ 4201 RPM
Replacement FilterRF-1041
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included8
Clamp MaterialStainless Steel
Clamp StyleRegular
CARB EO NumberD-269-26
Couplers Included3
TypeGen II
Product Style57 Series FIPK
Air Filter Height7.5 in (191 mm)
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight11.5 lb (5.2 kg)
Air Filter Large End Diameter7.5 in (191 mm)
Product Box Height10.5 in (267 mm)
Product Box Length35.5 in (902 mm)
Product Box Width13.25 in (337 mm)
Mounting Hardware IncludedYes
Warranty1,000,000 Miles/10 Year
Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 57-2543 Air Intake Product Reviews

Monday, August 21, 2017 - Part 57-2543
Easy install, looks great, engines happy.

Brian Wojcik
Bristol, Connecticut
Tuesday, June 28, 2016 - Part 57-2543
THIS WAS A VERY WELL THOUGHT KIT. I DID HAVE A FEW LITTLE PARTS LEFT OVER THAT I DID NOT NEED (AT LEAST I HOPE NOT)

Robert Brue
Richfield, Wisconsin
Tuesday, June 21, 2016 - Part 57-2543
Easy to install, sounds great and noticed a huge difference.

Ryan Kavanaugh
Corona, California