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K&N Series 77 High Flow Performance Cold Air Intake (11-14 5.0L F-150)

Item T525668-D
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      Review & Installation Video

      Hey, everybody. I'm Justin with, and welcome to my quick overview and install of the K&N Series 77 Cold Air Intake Kit available for your 2011 through 2014 5-liter powered F-150. If you've been watching these videos for any time now, you know what we're gonna talk about in the intake reviews. We're gonna talk materials, we're gonna talk what kind of benefits you can expect from bolting this thing up to your 5-liter truck, and then finally, we'll briefly cover the installation. And right up front, guys, for your 5-liter powered F-150, you're looking at a no-brainer job. One out of three wrenches on the difficulty meter with some more detail coming up later on.So the Series 77 from K&N should appeal to truck owners out there looking to step into an aftermarket intake option from one of the most trusted names in the aftermarket and one that will help deliver a little bit more power and sound with or without a custom tune. But maybe the most important factor here with this particular intake, you guys can see it, right? This is definitely gonna be for the F-150 owners out there looking to add a little bit more flash or a little bit more bling underneath the hood by going with a brightly polished option as opposed to an all-black intake that seems to dominate the category.So K&N is one of those companies that doesn't really need an introduction. They've been a dominant force in the aftermarket and are certainly one of the leaders in aftermarket filtration, and that is really well represented here on the site. They have a bunch of options for the 5-liter truck, and of course, the Mustangs as well including the Series 57, the Blackhawk option, and last but not least, the 77 that we have here on the table. All pretty similar from model to model but with minor differences.Now, the Series 77 that we have in this video is gonna be a little bit unique in the K&N lineup and from other aftermarket intakes in the category thanks again to that brightly polished finish here. Now, in my experience, guys, there's two completely different kind of camps out there when it comes to truck owners. People who enjoy seeing all that flash and that brightly polished chrome or people who just prefer to keep things a little bit more subdued, maybe a little bit more OE in appearance and go with something that's black, for instance. This, obviously, I don't even have to tell you, right? I mean, this is gonna be for the owners out there who just prefer that chrome or a little bit more flash under the hood.But added bling aside, of course, there are some power benefits to talk about when installing an aftermarket cold air intake like this and K&N's claiming roughly 10 horse power, 10 foot-pounds of torque when adding their no-tune required Series 77, and honestly, I think that's gonna be pretty much right on the money, guys. Don't expect massive gains when doing an intake like this without a tune because it's just not gonna happen. Instead, high single digits, low double digits is usually power for the course.And that is one of the good things to point out too about this intake. You can bolt this thing up and go with or without a custom tune, make a little bit more power like we just said without a tune. A little more with the tune, of course, make a little bit more sound underneath the hood. And some of our customers have even pointed out picking up a small bump in fuel economy. Now, while I can't personally confirm this, it is worth pointing out and it's another reason to check out some of the customer reviews on the product page if you haven't done so already. These are guys and gals out there who have actually purchased the product, installed it, and are pounding the pavement out there and they have some real-world feedback that you should definitely check out.But let's break down some of the individual components here with the K&N Series 77. We already talked at length about the intake tube itself but just so you know, it is made from lightweight aluminum and then polished to this bright, shiny you see here in front of me. You're also gonna be receiving one of K&N's bread and butter filters, guys. This is what they built their brand on. This is probably what they're known most for. It is washable. It is reusable and you do have to re-oil this thing from time to time.Definitely gonna save you some money in the long run compared to those cheap paper element factory filters. You're tossing those things every 10,000 miles or less depending on their condition. Not the case with the K&N. In fact, they're saying you can reuse this thing up to a 100,000 miles before it's time to throw this puppy away and start all over again. So again, will save you some money on the long run and it will be a lot easier to know when it's time to clean this thing thanks to the open element design.Another benefit with the open element or open filter design is the fact that you're gonna be hearing a lot more awesome noise coming from underneath the hood of your 5-liter truck. Nine times out of 10, this is a noise a lot of people enjoy and that's something you see in the customer review section. But maybe one of the best things about the K&N lineup including the Series 77 here is the price. Super affordable when it comes to aftermarket intake systems and for the brightly polished version, you're gonna be looking at the mid to high $200 price range. Far more affordable than some other options on the site which can oftentimes land from the $300 to even $400 range. Not the case here with K&N.Well, let's switch gears and quickly talk about the installation. We're not gonna go step by step here, guys, but we'll just give you a better idea of what you can expect when it comes time to crack open the toolbox. We're gonna go one out of three wrenches on our overall scale of difficulty. This is not a difficult install so if you're not what you would consider a very mechanically inclined person, these are always a great place to start, cold air intakes. You're only gonna be looking at about an hour tops for the install time but if you've done this a few times, I'd probably say 30 minutes or less is what you're looking at here.As far as basic tools, guys, well, again, basic is the word here. Flathead screwdriver, Philips head screwdriver, things like that including a socket set. The one kind of curve ball we might throw at you tool wise is gonna be a set of torque spits and that's just gonna help you remove the mass airflow sensors from the factory intake and get it reinstalled into the K&N here. As far as the installation process, guys, well, I like to deal with these things kind of already assembled, so remove that factory intake in the upper portion of the air box, kind of all in one piece. You can do this simply by removing it at the throttle body connection and disconnecting a few things at the air box. Don't forget about the hoses and such on the intake tube itself.Once that is out of the way, get to work installing the new K&N in the reverse order. Again, put this thing together first out of the truck. It'll make putting it back in a whole lot easier. Trust me. Hook everything up. Your hoses, your mass airflow sensor, and you should be good to go.As for my final thoughts on the K&H here, guys, I think the Series 77 is going to be a no-brainer for truck owners out there who want an affordable intake and still wanna grab that brightly polished finish. This thing will help you make a little bit more power. It'll definitely produce a little bit more sound. It is 50 state legal, and again, you can use it with or without a custom tune. So that is my review of the K&N Series 77 which you can grab right here at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Series 77 High Performance Cold Air Intake
      • Estimated Horsepower Gain of 10.06 HP @ 5712 RPM
      • Estimated Torque Gain of 9.82 TQ @ 3763 RPM
      • Free-Flowing Aluminum Intake Tube
      • Washable & Reusable Filter
      • No Computer Tune Required
      • CARB EO Number: D-269-48
      • Simple Bolt-On Installation
      • Fits 2011-2014 5.0L F-150s


      Guaranteed to Improve Performance. Creating a powerful sound under your 2011-2014 F-150’s hood, the K&N Series 77 High Flow Performance Cold Air Intake gives your truck’s 5.0L engine a more impressive presence – along with awesome performance gains. Dyno testing proves that the big dose of air this CAI administers to your pickup engine generates +10 horsepower and +9.8 ft-lbs of torque. The engine runs better across many different measurements – including fuel economy (+1 to +2 mpg) and staying cooler under heavy loads, such as when towing or powering forward over a difficult trail.

      Attaches without a Tune. The K&N Series 77 High Flow Performance Cold Air Intake is made to need no aftermarket tune in order to run. The stock tune is fully adequate to correctly run the CAI in balance with the rest of your truck’s engine.

      Feature-Rich Filter Element. The K&N Series 77 High Flow Performance Cold Air Intake includes a high-flow air filter that’s capable not only of being cleaned, but of going strong for 100,000 miles before it needs its first cleaning. Fabricated out of red cotton gauze, it includes two epoxy-coated aluminum screens for strength. You can wash, re-oil, and reuse this component many times.

      Well-Made Component. Mixing aesthetics and practicality, the polished aluminum intake tube of the K&N Series 77 High Flow Performance Cold Air Intake offers both a liquid sheen of reflective, almost chrome-like metal, and rust-proofing. This particular version of the CAI also features an injection molded air box / heat shield. The intake tube is designed with a constant diameter throughout, enabling fast, smooth passage of cool oxygen-rich air. The part includes stainless steel clamps.

      Handily Reuses the Stock MAF. When installing the K&N Series 77 High Flow Performance Cold Air Intake, the OEM MAF fits directly into the MAF housing of this component. The setup also includes attachments for the EVAP and crankcase vent hoses.

      Plain and Effective Install Process. It will take you 1.5 hours (90 minutes) at most – and probably a lot less – to attach the K&N Series 77 High Flow Performance Cold Air Intake to your F-150. A no-cut, no-drill bolt-on fitment, the CAI attaches to the stock mounting points using simple hand tools and the included hardware.

      Million Mile Limited Warranty. Protecting your investment in this component, a 1 million mile warranty applies to the K&N Series 77 High Flow Performance Cold Air Intake.

      Legal in Whole US (CARB Certified). The K&N Series 77 High Flow Performance Cold Air Intake is ready to roll – legally – on any road within the borders of the United States. The component carries a CARB EO Number – #D-269-48 in this case – which makes it 50-state street legal, since it passes the most stringent current emissions benchmark in the USA, CARB regulations. This CAI can be legally purchased and used in the State of California and those ares which imitate its rules.

      Application. This K&N Series 77 High Flow Performance Cold Air Intake is specifically design to fit the 2011-2014 F-150s powered by the 5.0L engine.

      Technical Note. The K&N Cold Air Intake is not designed for vehicles equipped with a Body Lift.

      Shop All Truck Parts And Accessories

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      Fitment: 2011 2012 2013 2014 Details

      K&N 77-2581KP

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (40)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 40 customers

      Installation Time: Less than 1 Hour

      Installation Cost: 0-$100

      • April 24, 2020

        5 2012 FX4 - BigBrennanfish Installation Time: Less than 1 Hour

        Really good

        This intake is Built well makes a lot of noise and when you look under the hood make sure you have sunglasses on you might get blind small problem don’t titan too hard you might bend the tube other than that really good it does what it said it would do

        Helpful (1)
      • February 29, 2020

        5 2013 - Millertime Installation Time: Afternoon

        Cold Air Intake

        Great product, makes a great mean sound, and gives a great throttle response and adds some real torque, most of all hope to see some gas mileage improvement.

        Helpful (0)
      • February 29, 2020

        4 2011 XLT - HaroldS Installation Time: Less than 1 Hour

        Cold Air Intake

        Make sure that the adapter hose from the box to the tube is against the MAF sensor, or you will hit the hood when closed. Also the trim strips provided (Both upper and lower) for the cold air box could be 2" longer for better sealing. Sounds good at idle, but will test the fuel mileage to see if I gained anything.

        Helpful (0)
      • February 06, 2020

        5 2014 XLT - Jakesnake Installation Time: Less than 1 Hour

        Amazing sound

        Easy to install and the sound from this alone without a muffler or catback upgrade is unbelievable a noticeable increase in power as well

        Helpful (0)
      • November 23, 2019

        5 2014 XLT - Novpop


        If you’re looking for a Cold Air System that will give you that deep rohr, look no further. It’s a great system and easy to install. Took me a hr at night time with no light, easily could of got it done in 30min if I had light.

        Helpful (1)
      • September 25, 2019

        5 2012 XLT - Andy Installation Time: Afternoon

        Ford F-150 5.0

        It’s a very good product I love it sounds good. It gained more power.

        Helpful (0)
      • July 31, 2019

        5 2014 XL - OscarAlvarez Installation Time: Less than 1 Hour

        Worth every penny

        At first when I bought this, I was a bit skeptical, then after installing it, I could tell the difference in terms of throttle response, and sound. If you are looking for Sound, performance, and looks, I would highly suggest purchasing this cold air intake .

        Helpful (1)
      • July 15, 2019

        5 2014 XL - NickF Installation Time: Less than 1 Hour

        Sounds amazing

        Made me rethink getting louder exhaust. This thing sounds amazing! Still too early to notice any mpg gains.

        Helpful (0)
      • April 13, 2019

        Review shared from K&N Series 77 High Flow Performance Cold Air Intake (09-10 4.6L 3V F-150)

        3 2010 XLT - whatdoido Installation Time: Afternoon

        just fits

        an inch short on the gasket the the air hose just fit and the the coupler was just long enough to go on to the throttle body

        Helpful (2)
      • January 29, 2019

        5 2011 - AssadZ

        Great product

        Gives off a nice whistle improved gas mileage by .2

        Helpful (6)

      Questions & Answers (6 answers)

      5 Top Rated Questions

      hello im looking into buying something like this. My two questions are why does it say this will not fit if I have a body lift? My other question is what is the difference from this and the black out series other than the color and price. Just trying to figure out which one I should buy thank you.

      • The K&N Series 77 High Flow Performance Cold Air Intake attaches both to the engine, which is mounted to the frame through the K member, and it attaches to to the body. When installing a body lift, the distance between the mounting points change, and this intake is not flexible enough to accommodate for this. The K&N Backhawk would have several minor differences in design, but the primary differences are the black powdercoat, and black filter.

      Helpful (1)

      Will this work on an STX model and on super crew cabs?

      • This will fit on any 2011-2014 F-150 with the 5.0L motor.

      Helpful (0)

      I’m looking to get a little more hp gain for towing, but write up on the 57 states mpg will go down due to the load. Is that true for the 77 as well?

      • This is advertised to actually lend 1-2 more mpgs than stock.

      Helpful (0)

      Will this air intake work with a two and a nalf inch leveling kit

      • The K&N Series 77 High Flow Performance Cold Air Intake will be compatible with your leveling kit.

      Helpful (0)

      What is the performance difference in the 57 and the 77?

      • The performance difference as per K&N's website is the 77 series will add an estimated HP gain of 15.07HP @ 4650RPM and the 57 series will give you an estimated HP gain of 16.14HP @ 4650RPM. So they are very close in performance.

      Helpful (0)
      Post Your Question
      1 More Question
      why would most get better mpg and a couple say they were getting worse mpg with the same size engine? I don't want to purchase and install and not e able to return it thanks 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (3) #56 Hose Clamps
      • (1) Molded Hose
      • (1) Intake Tube
      • (2) 8mm Bolts
      • (1) #52 Hose Clamp
      • (1) Hump Hose
      • (2) 16mm Buttonhead Bolts
      • (2) 1/4" x 5/8" Washers
      • (2) M6 Split Lock Washers
      • (1) Heat Shield
      • (1) 35" Edge Trim
      • (1) 19" Edge Trim
      • (1) Filter Coupler Adapter
      • (1) #104 Hose Clamp
      • (1) Air Filter
      • (1) Vent
      • (1) 3/8" x 12" Hose

      Tech Specs

      Cold Air Intake Specifications
      Year/Engine:2011-2014 5.0LFilter Placement:Engine Bay
      Manufacturer:K&NComputer Tune Required:No

      Estimated Horsepower & Torque Gains:
      Estimated 5.0L HP:10.06hp @ 5712rpmEstimated 5.0L Torque:9.82ftlb @ 3763rpm

      Will It Fit My F-150

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