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K&N 77-2582KTK 4.5 out of 5 stars 6 Customer Reviews
Intake Kits > Performance Intake Kit

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The K&N 77-2582KTK high-flow performance air intake system is a free-flowing, mandrel-bent aluminum tube air induction system designed to fit some Ford F250 and F350 Super Duty truck 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 77-2582KTK air intake comes with a chrome topped K&N high-flow air filter and a heat shield that installs onto the lower air box. Air is directed through the intake tube into the engine’s throttle body for a guaranteed power gain. The intake tube has an attractive textured black powder-coated 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, 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 77 Series Air Intakes]
  • 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

Product Specifications 
Estimated Horsepower Gain:13.55 HP @ 4497 RPM
Air Filter Color:Red
Air Filter Height:6 in (152 mm)
Air Filter Material:Cotton Gauze
Air Filter Outlet Shape:Round
California Restricted:Not legal for sale or use in California
Clamp Material:Stainless Steel
Clamp Style:Regular
Clamps Included:5
Couplers Included:1
Intake Pipe Color / Finish:Wrinkle Black
Intake Pipe Ports:All intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter Included:Mass Air Flow Sensor Adapter Included When Required
Part Number:77-2582KTK
Product Box Height:10.5 in (267 mm)
Product Box Length:35.5 in (902 mm)
Product Box Width:13.25 in (337 mm)
Product Style:77 Series Kits
Replacement Filter:RC-5173
Street Legal In All US States:No
TUV Approved (Europe):No
Vacuum Tubing Included:No
Weight:12.1 lb (5.5 kg)

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

Product Reviews      Review part 77-2582KTK

 I love it. It has better throttle response and more mid range power. It has a nice sound at full throttle that just sounds mean. Fuel economy went up also. Due to larger tires, I can't tell you the exact amount but I would say an average of 1 mpg better. Of course I drive it a little harder now also.
Dan, Greenfield, Indiana
 Just installed this a week ago in my 2014 F250 6.2. The jury is still out. I have not felt or seen a significant change in power or gas mileage. Though it gives the truck a deeper throttle sound when I give it gas.
Todd A. Payne, Oklahoma City, Oklahoma
 Looks great, definitely has more power in my Ford F-250 6.2 L. Installed easily. Planning on purchasing additional filter so I can always have one prepped and ready to go. So I can take my time cleaning and oiling the replaced filter. Planning a big trip with travel trailer in the summer let you know how it goes.
L.S. Bowles, Washington
 Sounds good! Every one thinks I have an exhaust, but it's my cold air intake that gave my truck more get up and go!
Mathew Floerke, Taft, Texas
 Love it.
Mitchell Soules, New York
  I really can not say at this time as I have not towed my trailer since I installed the unit (77-2582KTK).  I will be using the F-250 to tow the 30' 5th wheel to Florida after the first of the year.  I have thought, at times, that my mileage had improved from the 15 around town, so to speak, but it has not been that constant at this point.  If, I find that I do more than the 9.3 m.p.g. I got last year each way, than I would consider this a good investment.
Jim Shuff, Freedom, New Hampshire