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K&N 77-2557KP Air Intake

Intake Kits / Performance Air Intake System
77-2557KP
$395.99 USD
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Product Overview

  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Free-flowing aluminum tube
  • Replaces entire factory air intake system
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty
The K&N 77-2557KP Air Intake fits some Ford F150, and Ford Lobo models. See vehicle applications link for details.
Built for performance and show utilizing high quality components, the K&N 77 Series High-Flow Performance Air Intake is a free-flowing mandrel-bent aluminum tube induction system designed for Trucks and Sport Utility Vehicles. 77-Series air intakes come with K&N's Million Mile Limited Warranty. K&N intake systems replace 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 vehicle's engine to inhale a larger amount of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable. Most of our intake kits are relatively easy to install using tools commonly available (see installation instructions). Some 77 Series Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal. Check the K&N catalog or website vehicle parts search for specific CARB status.

[More Information on K&N 77 Series Air Intake Systems]
Estimated Horsepower Gain9.31 HP @ 4724 RPM
Replacement FilterRF-1020
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included5
Clamp MaterialStainless Steel
Clamp StyleRegular
Couplers Included2
Product Style77 Series Kits
Air Filter Height8 in (203 mm)
Intake Pipe Color / FinishPolished
Intake Pipe MaterialAluminum
CARB EO NumberD-269-34
Street Legal In All US StatesSee Application Link Above
TUV Approved (Europe)No
Weight12.7 lb (5.7 kg)
Air Filter Large End Diameter7.5 in (191 mm)
Product Box Height12.5 in (318 mm)
Product Box Length18.25 in (464 mm)
Product Box Width18.25 in (464 mm)
Mounting Hardware IncludedYes
Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 77-2557KP Air Intake Product Reviews