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K&N 77-2556KP 5.0 out of 5 stars 1 Customer Review
Intake Kits > Performance Intake Kit

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77-2556KP
 
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Built for performance and show utilizing the highest 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 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


Product Specifications 
Estimated Horsepower Gain:9.55 HP @ 3724 RPM
Air Filter Color:Red
Air Filter Height:9 in (229 mm)
Air Filter Large End Diameter:7.5 in (191 mm)
Air Filter Material:Cotton Gauze
Air Filter Outlet Shape:Round
Clamp Material:Stainless Steel
Clamp Style:Regular
Clamps Included:8
Couplers Included:3
Intake Pipe Color / Finish:Polished
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:77-2556KP
Product Box Height:15.6 in (396 mm)
Product Box Length:24.2 in (615 mm)
Product Box Width:20.2 in (513 mm)
Product Style:77 Series Kits
Replacement Filter:RC-5046
Street Legal In All US States:See Application Link Above
TUV Approved (Europe):No
Vacuum Tubing Included:Yes
Weight:11.3 lb (5.1 kg)

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


Product Reviews      Review part 77-2556KP

 I'm a middle aged gear head. I've built everything from A-body Mopars of the 60's & 70's to the new mustangs, challengers, and camaros. Needless to say, I've been around the block. I've always used K&N products, we were building cold air and ram air intakes long before you could buy them off the shelf. I recently acquired a 2004 Ford F-150 5.4L V8... with almost a quarter million miles. It is in amazing condition but got a little sluggish over those miles. Throttle response was suffering as well. My first purchase for it was the 77-2556KP performance intake kit. After ripping out the stock air box, which was dirty but not shot I had my new intake installed in about 15 minutes. I jumped in and took the old girl for a test ride. I can crunch the numbers and give you some rough figures but I won't bore you. What I will do is tell you about the performance. The throttle had instant response, enough so that it even shocked me. I'm used to the throaty sound of a K&N system but wow it sounds good on this truck. I have a nice private road and when I got on it from a dead stop and had to back off of he pedal as my 7200 pound 250,000 mile 9 year old truck smoked its brand new tires. Will you see this kind of improvement on a brand new truck, in short not really. While you will experience better overall performance it will be hard to notice on a brand new vehicle. That being said when you hit that quarter million mile mark and your vehicle still performs like new, you can tip your hat to the folks at K&N. K&N is breathing a new life into my old truck, and it will do the same for yours.

If you're questioning the initial cost, don't. Remember you clean your K&N filter, not replace it. That alone covers the cost twice over if not more.

Still have doubts? Go outside, remove your air filter. Take a clean white cloth and wipe the inside of the air box after the filter. See all that grease, dust, dirt, and grime on the cloth... Well that's what's getting past your filter and going straight into your engine, slowly killing it. You won't find that in my intake or my engine, thanks to K&N.

Bad Dog Daddy, Toms River, New Jersey