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K&N

K&N Cold Air Intake System: High-Flow Air Filter, Increase Performance & Towing: Compatible with 2011-2014 FORD F150, 57-2581

  • Based on 511 reviews
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Availability: In Stock.
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Arrives Sunday, Aug 3
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Style: 50 State Legal


Features

  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are included with each intake system.
  • IMPROVED ENGINE SOUND - HEAR THE GROWL: K&Ns intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed.
  • BETTER TOWING: K&N Air intake kit improves acceleration and uphill performance when towing by improving throttle response, overall horsepower and torque. Excellent for daily and highway driving.
  • PREMIUM ENGINE PROTECTION FROM A TRUSTED BRAND: K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle.
  • HIGH-FLOW REUSABLE AIR FILTER: 4 layers of pleated, breathable cotton with K&Ns red filter oil to absorb dirt & dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100k miles under normal highway conditions.
  • EASY TO INSTALL: Includes detailed, step-by-step instructions & all necessary parts- the entire air intake system can typically be installed in less than 60 minutes with basic hand tools.
  • MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support.

Description

K&N is the inventor of the Air Intake System and has over 50 years of experience in the performance filtration industry. Proudly designed and manufactured in the USA, this premium cold air intake system is specifically designed for your vehicle and is dyno tested to provide a guaranteed increase in horsepower. It features a high flow intake tube, custom heat shield, and oversized K&N Washable High-Flow Cotton Air Filter for ultimate airflow. This Intake system replaces the restrictive OEM air box to provide an improved driving experience for daily driving or towing. It installs easily in about 60 minutes and is backed by a No-Hassle Lifetime Limited Warranty and will not void your factory warranty.Compatible Vehicles:2011-2014 FORD F150

Brand: K&N


Product Dimensions: 22.44"L x 14.17"W x 12.6"H


OEM Part Number: 57-2581


Global Trade Identification Number: 71


Shape: Oblong


Brand: ‎K&N


Product Dimensions: ‎22.44"L x 14.17"W x 12.6"H


OEM Part Number: ‎57-2581


Global Trade Identification Number: ‎71


Shape: ‎Oblong


Manufacturer: ‎K&N Engineering


Automotive Fit Type: ‎Vehicle Specific Fit


UPC: ‎785422231149 024844361271


Model: ‎57-2581


Item Weight: ‎9.98 pounds


Country of Origin: ‎USA


Item model number: ‎57-2581


Exterior: ‎Machined


Manufacturer Part Number: ‎57-2581


Date First Available: September 22, 2015


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • What I was hoping for
Style: 50 State Legal
I wanted some more sweet sound from the 5.0 but I didn't wanna do any non-reversible or expensive mods. I peeped this kit out and one of the reviewers said that it sounded good and loud enough that they no longer wanted an exhaust. I had to see for myself, so after installing it and driving around I can say the same thing. It sounds great in all the right ways. It's got a great tone when you get on it and shuts right up when you let off. At slight throttle it's like stock. Give it a little more though and you get nice sounds without having to tach it up too high. I love the characteristics. That being said, YMMV but really it's made for a specific range of trucks with one engine, so perhaps not really. Either way, I'm extremely happy and I'm pretty sure you'd be too if you're looking for the same thing. It's a lot less than exhaust work and I'm glad I went this route first. ... show more
Reviewed in the United States on June 7, 2021 by Liam
    • GREAT !but don't expect great things......
Style: Metal
Review Image by Marco Marco
Review Image by Marco Marco
Review Image by Marco Marco
Review Image by Marco Marco
Ok, here's the scoop pull up a chair......... Install ~ Easy just take your time don't over tighten or strip screws easy peasy 25 mins MPG ~ I am sure it may have a positive effect as my MPG went from 17.8 to 18.2, HOWEVER... with the amazing throaty sound you get stomping on the pedal gas mileage will fall fast! Go easy it will save. Sound ~ WOW!!!!!! My 2013 F150 with the Coyote 5.0 really sounds awesome, get on the highway at 40-50mph and stomp it down and everyone in a 30 foot radius will look over and go WTF was that? LOVE IT!!!! HP ~ Haven't noticed anything but a little faster acceleration, nothing you will notice without a dyno tune! Price ~ Pricey, at almost $300 bucks I got the chrome pipe for looks, and for a pipe some gaskets and an air filter not sure I can say its worth the $$$.. Its your call, if you want your vehicle to sound and feel BAD ASS? Get it! if you want to save 1 mpg put $300 in your savings account instead :) In closing, I will say I Love it, and I feel it was worth it, heres a couple pics.... ... show more
Reviewed in the United States on September 2, 2015 by Marco Marco
    • 2014 F150 XLT V8 fit great, MPG gained, louder than expected
Style: 50 State Legal
Super easy to install and even with me getting on it to hear the v8 roar now I've gained 2.3 mpg even with bigger tires and leveling kit. I did have to contact K&N due to one of the pieces being the wrong one. I had to wait till the weekday to call due to no customer support on the weekends but the guy was super helpful and expedited it so the new piece took maybe 2 days to get her. Defintly reccomend but its louder than you think it would be. ... show more
Reviewed in the United States on June 4, 2021 by Jason
    • Best cold air intake I could have gotten
Style: 50 State Legal
Update: 7 years later still have original filter, just clean and oil it once or twice a year. Works great still sounds great zero issues This was the first aftermarket part I put in the 2012 F-150 that I just got, and I don't regret that at all. I installed this drunk and cut the 3/8" vacuum tubing instead of the skinny one so I had to go get a piece from an auto parts store, but even drunk this was incredibly easy to install. I got about 15 mpg city before installing and now I get about 16.5 city. Others complained about it being too loud on the highway, it's only remotely "noisy" when slamming on the gas, other than that it adds an awesome sound under the hood. I don't even care about putting an aftermarket exhaust on my truck anymore. Only thing I recommend is once installing it and driving for a while, check the connection of all the tubing because mine came lose so make sure they are very snug after it vibrates for a bit. ... show more
Reviewed in the United States on April 28, 2019 by JC in God’s Country
    • So very happy with this product
Style: 50 State Legal
I cannot believe how awesome my engine sounds now. I have a 2014 f150 XLT with a 5.0 V8. Everything fit perfectly. K&N says install time is 90 minutes or less... if you have even the slightest knowledge of cars and can follow simple directions with pictures, it shouldn't take anywhere near that long. It took me maybe 20 minutes tops. All the parts are high quality and came for a great price. I was very pleasantly surprised at how awesome my truck sounds now. SO aggressive! I can definitely feel a quicker throttle response and more horse power. Haven't noticed any better fuel economy but that is definitely due to the fact that I slam the gas peddle any chance I get now. That sound change for such a simple upgrade is very addictive. I will definitely buy again for my next truck. ... show more
Reviewed in the United States on April 10, 2017 by Amazon Customer
    • Excellent!!!
Style: 50 State Legal
Excellent update, you can feel the difference
Reviewed in the United States on April 30, 2025 by Alfredo Ezquivel Patino

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