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K&N 77-2575KS Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5 4.8 out of 5 stars 9 Customer Reviews
Intake Kits > Performance Intake Kit

List Price: $538.92
Your Price: USD $296.99

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The K&N 77-2575KS high-flow performance air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Ford Explorer 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 77-2575KS 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 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, crank case vent hose and a replacement silicone EVAP vent line. 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, ratchet set 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.

[More Information on K&N 77 Series Air Intake Systems]
  • 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
Video Installation Video

Product Specifications

Estimated Horsepower Gain13.55 HP @ 5500 RPM
Air Filter ColorRed
Air Filter Height6 in (152 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included5
Couplers Included1
Intake Pipe Color / FinishSilver
Intake Pipe MaterialAluminum
Product Box Height12.5 in (318 mm)
Product Box Length22.25 in (565 mm)
Product Box Width14.25 in (362 mm)
Product Style77 Series Kits
Replacement FilterRF-1048
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight10.5 lb (4.7 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Product Reviews

  Great product, easy install. I have been using K&N cold air induction systems since 1998. I even have a system on my 2006 Triumph Speedmaster motorcycle. You guy's rock. Thanks much.
Drew Carroll Ft Lauderdale, FL
  Very nice. Better gas milage and increase horse power. The PVC hook could be moved up on the air intake tube. This make fit somewhat better.
Mike Oliver Missouri
  Just installed the intake yesterday. My wife called me right after she started driving it. She was pretty startled after accelerating into traffic because the car sounded so aggressive, she thought another car was upset she had cut them off and was accelerating into her. She couldn't believe the deep tone was coming from the Explorer! The intake completely changes how the car accelerates and sounds - love it! It's not louder, just a lower tone when accelerating. Hoping the mpg on the highway improves as well!
Brendan Michigan
  Fantastic part, I just installed it into my 2015 ford explorer XLT a couple days ago with no problem you can almost do it without the instructions!! I love the RIDICULOUS sound that it provides (the video on here does it no justice). The extra HP is there but its really the torque that you feel. 100% would buy again!!!!!! Thank you K & N
Ben Kassab Bloomfield Hills Michigan
  I love the extra horse power, the installation was very easy, fit left something to be desired. The vacuum tube is too long and puts a bind on the housing.
Royce Taylor Tennessee
  Bought this filter in K&N ebay authorized dealer and install in less than 60 minutes. I was surprised on the big horsepower gain and little bit of fuel save... And the most I love on it is the monster sound which added points on my 2013 Ford Explorer XLT which kick other SUV ... You gotta try it then you tell your story to us also...
Rommel Dizon United Arab Emirates
  Good Buy. Easy Installation, as adding stuff like this should be! Love the feel of the extra power and the sound of the extra ponies on our 2014 Ford Explorer.
Tony Garcia Raleigh North Carolina