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K&N Engineering Part # KNN77-2585KS

K&N 12-13 Ford F150 3.7L V6 Black High-Flow Performance Intake - 77-2585KS

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The K&N 77-2585KS high-flow performance air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Ford F150 models. The restrictive factory air filter and air intake housing on your vehicle are replaced by this K&N air intake system which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. The improved air flow allows your engine to inhale a larger amount of air than it would from the stock air intake. More air means more usable power and acceleration throughout your engine's RPM range. The 77-2585KS air intake comes with a chrome topped K&N high-flow air filter and a heat shield that installs onto the lower airbox. Air is directed through the intake tube into the engine's throttle body for a guaranteed power gain. The intake tube has an attractive silver powder-coat finish that's made to last and it accommodates the factory mass air sensor, EVAP vent line and crank case vent hose. The oversized cone 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 existing factory mounting points. The tools needed are a screwdriver, pliers and several wrenches. Some K&N 77 series air intakes are not legal for sale or 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 for vehicle applications and specific CARB status for each vehicle and air intake.
Installation Instructions
Installation Instructions
User 1
Installation Instructions

  • Mandrel-bent aluminum intake tube paired with oversized oiled cotton air filter.
  • Engineered to provide high airflow and exceptional filtration.
  • Replaces factory air filter and intake tube.
  • Filter only requires cleaning every 100,000 miles under normal highway driving conditions.

  • Estimated Torque Gain: 10 lbft
  • Estimated Horsepower Gain: 11.91 HP @ 5536 RPM
  • Couplers Included: 2
  • Clamps Included: 5
  • Intake Pipe Ports: All intake tube ports needed for the specified applications are included
  • Coupler Color/Finish: Black
  • Air Filter Material: Cotton Gauze
  • CARB EO Number: D-269-48
  • Clamp Color/Finish: Natural
  • Air Filter Color: Red
  • Clamp Style: Regular
  • Air Filter Outlet Shape: Round
  • Replacement Filter: RU-5173
  • Clamp Material: Stainless Steel
  • Mass Air Flow Sensor Adapter Included: Yes
  • Mounting Hardware Included: Yes

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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