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K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 12HP: Compatible with 5.0L, V8, 2011-2014 Ford F150, 57-2581

4.5 4.5 out of 5 stars 490 ratings

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50 State Legal

Purchase options and add-ons

Brand K&N
Product Dimensions 22.44"L x 14.17"W x 12.6"H
OEM Part Number 57-2581
Shape Oblong
Product Grade
Replacement Part
Fit Type
Vehicle Specific Fit

About this item

  • GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine and giving an estimated increase up to 12HP and up to 13 ft.lbs. of Torque
  • HEAR THE GROWL: K&N’s 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
  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
  • BETTER TOWING: Air intake kit improves acceleration and uphill performance when towing by improving throttle response and overall horsepower and torque
  • FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
  • DURABLE ROTO-MOLDED INTAKE TUBE & CUSTOM HEAT SHIELD: A high-density polyethylene (HDPE) rotationally-molded intake tube helps increase the volume of airflow to your engine, while the heat shield helps protect intake air from the high temperature of your engine bay
  • 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

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From the manufacturer

Why a KN Cold Air Intake is a Great Choice

How Does a Cold Air Intake Work and Why Should I Replace the One That Came With My Vehicle?

In a standard air intake system, air passes through a disposable paper filter and then flows into the engine through a complex system of tubing. K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine. A performance air filter is paired with specially designed tubing and a custom air box or heat shield (engineered to protect the intake air from the heat of the engine), which in combination deliver a guaranteed increase in horsepower and torque.

Legendary K&N Quality & Reliability

K&N Cold Air Intake Guaranteed to Increase Horsepower and Torque

K&N Intake Kit Provides More Engine Growl

K&N Cold Air Intake System Proudly Made in the USA

Increased Horsepower & Torque- Guaranteed

Yes, K&N intakes really do increase horsepower and torque; in fact, it's guaranteed. Each intake kit undergoes significant testing to help ensure that the air filter and intake tube are positioned to deliver large increases in airflow and horsepower.

Less Restriction = More Engine Growl

By removing excess stock baffles, you get to enjoy a satisfying engine growl on acceleration that returns to quiet once at speed. The amount of growl is all in your hands… or should we say feet. Growl while accelerating on the open road and return to quiet as you drive through your neighborhood.

Proudly Made in the USA

K&N products are designed and manufactured on-site, and all of our Cold Air Intakes are made in the USA. K&N is headquartered in Riverside, California, and also operates facilities in Grand Prairie, Texas. Our US based, knowledgeable customer support staff is available to assist you with any questions or concerns.

K&N Engine Air Filter- Nothing Beats the Original

No Substitution for the Original- The Difference a K&N Filter Makes in Your Vehicle

Increased performance starts with K&N’s reusable, air filter, which combines layers of pleated, breathable cotton with K&N’s signature red filter oil. Paper air filters, while efficient, can become quickly clogged as their pores fill with dirt and debris. K&N’s oiled cotton filter absorbs dirt and dust particles rather than physically blocking them. The tacky, oiled particles that collect in the filter become an asset to the filtration rather than an obstacle, capturing new particles entering the system while still allowing a high volume of airflow to pass through. This allows clean air to continue flowing into your engine.

Unlike disposable paper filters, which typically last for 12-15,000 miles before they must be replaced, the high-performance K&N filter included with your intake can go up to 75,000 miles before needing to be cleaned (under normal driving conditions).

K&N Cold Air Intakes- Frequently Asked Questions

K&N Intakes In House Dyno Testing

K&N Intake System Engine Protection

K&N Intake System Rotomolded and Aluminum Tube

K&N CAI Heat Shield and Enclosed Air Box

Why is Dyno Testing Important & How Can I Tell if It’s Accurate?

K&N's air intake horsepower/torque testing is performed at our in-house facilities in Riverside, CA on wheel-based dynamometers and help provide a power estimate that is likely to more closely reflect real-world conditions than an engine-based dynamometer. K&N’s standard testing is designed to measure relative power differences on a vehicle with and without K&N products installed, and SAE (Society of Automotive Engineers) correction factors are utilized to help ensure accuracy. If you notice horsepower claims from other manufacturers that seem too good to be true, we encourage you to do your own research. Check the dynamometer reports for vehicles, dates tested, and if correction factors are used.

How Does a K&N Intake Protect Your Engine?

Most disposable paper filters create a large amount of airflow restriction, as the openings in the filter media have to be extremely small to filter efficiently—which slows airflow. Because dust accumulates on the surface of the disposable filter and blocks the openings in the media, the filter will typically become increasingly more restrictive to airflow over time. Conversely, K&N oiled filters are engineered to become more efficient over their recommended service life as dirt and contaminants are integrated into the filter media, while still allowing a high volume of air through to the system. This allows you to continue to get the performance you expect from your K&N intake, while also being able to rely on the cutting-edge efficiency and protection that a K&N oiled air filter provides.

What's the Difference Between a Roto-Molded and an Aluminum Intake Tube?

Both a Roto-Molded and an Aluminum Intake Tube from K&N provide the same increase of air flow to your engine. It all comes down to how you want it to look in your vehicle. If you enjoy a more custom look under the hood, the Aluminum Tube is a great choice.

What Does the Heat Shield Do and Is That Better Than a Closed Air Box?

Both the custom heat shield and HDPE air box help protect the incoming air from the heat of your engine. They both have unique features and which one you choose is a personal preference based on those features. High-performance drivers may want an open filter element and heat shield for even greater airflow. Off-roaders may prefer an intake system with a custom air box, which helps protect against dust, dirt, and moisture and offers additional filter protection from extremely dirty environments or water crossings. Options with an enclosed air box give you the freedom to adventure while offering easy access to the air filter for quick cleaning and maintenance — no special tools required.

KN Intakes are Easy to Install

Easy to Install

Installing an intake kit might seem intimidating, especially if it's your first DIY car modification, but thankfully you don't have to be a seasoned mechanic to successfully install a cold air intake yourself. While every kit is slightly different (since they are designed to be a perfect fit in the engine bay of specific year/make/models), installation can typically be completed in 60 minutes or less and requires only simple hand tools. Detailed, step-by-step instructions are included with each kit.

Tools Typically Needed for Installation

  • Ratchet
  • Extension
  • 10mm socket & 14mm socket
  • Allen key
  • Flat blade screwdriver
  • Phillips screwdriver
  • 10mm wrench
  • Pliers

Product Description

K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Replacement Air Filter: RU-5173
Vehicle Fitment: 2011-2014 FORD F150

Product information

Technical Details

Additional Information

Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 12HP: Compatible with 5.0L, V8, 2011-2014 Ford F150, 57-2581


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What's in the box

  • FIPK; FORD F150, V8-5.0L, 2011-2014
  • Product guides and documents

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    Price$299.99$299.99-13% $347.30
    List:$399.99
    $299.99$94.99-14% $299.99
    List:$349.99
    Delivery
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it as soon as Tuesday, Apr 2
    Get it Apr 3 - 5
    Get it as soon as Tuesday, Apr 2
    Customer Ratings
    Easy to install
    4.6
    4.2
    4.8
    Value for money
    4.0
    4.5
    4.1
    Mileage
    3.9
    4.1
    4.1
    Sold By
    Amazon.com
    Amazon.com
    Amazon.com
    Amazon.com
    Velocity Concepts
    Amazon.com
    material
    Polyethylene, Aluminum, Cotton, Carbon Fiber
    Cotton
    Aluminum, Cotton
    Alloy Steel
    Aluminum
    Polyethylene
    model number
    57-2581
    400-299
    77-2617KC
    57-2514-4
    63-2590
    fit type
    Vehicle Specific Fit
    Vehicle Specific Fit
    Vehicle Specific Fit
    Vehicle Specific Fit
    Vehicle Specific Fit
    Vehicle Specific Fit
    product grade
    Replacement Part
    Performance Part
    Performance Part
    Replacement Part
    Performance Part
    Performance Part

    Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    490 global ratings

    Customers say

    Customers like the sound quality, ease of installation, performance, and quality of the engine air filter. For example, they mention that it totally changes the sound and handling of the truck, it's super easy to install, and can be accomplished by a novice with minimal hand tools. That said, opinions are mixed on fuel efficiency.

    AI-generated from the text of customer reviews

    86 customers mention74 positive12 negative

    Customers like the sound quality of the engine air filter. They say it has a big, throaty sound when they step on it. Some say that it totally changes the sound and handling of the truck. Some customers also mention that it's not noisy during normal driving conditions. However, some customers have concerns about the integrity of the intake.

    "...I was very pleasantly surprised at how awesome my truck sounds now. SO aggressive!..." Read more

    "...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..." Read more

    "..."noisy" when slamming on the gas, other than that it adds an awesome sound under the hood...." Read more

    "...Throttle responds so quick. It sounds great and added a nice deep tone to the truck...." Read more

    70 customers mention70 positive0 negative

    Customers find the installation of the engine air filter to be super easy, with easy instructions. They also say it's fairly simple and can be accomplished by a novice with minimal hand tools. Customers also mention that the sound change for such a simple upgrade is very addictive.

    "...That sound change for such a simple upgrade is very addictive. I will definitely buy again for my next truck." Read more

    "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...." Read more

    "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..." Read more

    "...a piece from an auto parts store, but even drunk this was incredibly easy to install...." Read more

    43 customers mention43 positive0 negative

    Customers are satisfied with the performance of the engine air filter. For example, they mention it improves throttle response, and the sound is awesome. Some say that the air intake looks great and performs better. Overall, most are happy with their purchase and recommend it to others.

    "...SO aggressive! I can definitely feel a quicker throttle response and more horse power...." Read more

    "...Throttle responds so quick. It sounds great and added a nice deep tone to the truck...." Read more

    "...Got another mpg from it and throttle is peppy at take off. Great buy!" Read more

    "...After installing the air filter I notice no gain in performance and a drop in mileage of about 2mpg and I drive my truck easy as I want it to last." Read more

    27 customers mention22 positive5 negative

    Customers like the quality of the engine air filter. They say it's a great product, with excellent fit and finish. Some mention that it gives their truck a throaty sound and is much happier with the increased air flow. Overall, customers are satisfied with the quality and performance of the air filter, which is easy to install.

    "...It took me maybe 20 minutes tops. All the parts are high quality and came for a great price...." Read more

    "Was delivered super fast. Great product and was as advertised. Super easy, quick installation on my 2014 f150 5.0...." Read more

    "...'ll say that I think K&N makes great products and the quality and fit a finish were excellent...." Read more

    "...I have installed several other K&N kits before on other vehicles, same great quality and everything needed included...." Read more

    22 customers mention18 positive4 negative

    Customers like the value of the engine air filter. They mention it's well worth the price and provides inexpensive horsepower.

    "...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!..." Read more

    "...Got another mpg from it and throttle is peppy at take off. Great buy!" Read more

    "...Definitely worth the money if your trying to add a couple HP and add a deep sound to your engine...." Read more

    "...faster and hotter rods in town....but for the money...this is inexpensive horsepower. Installation was easy...I'm pretty methodical... one hour or so." Read more

    18 customers mention15 positive3 negative

    Customers like the appearance of the engine air filter. They say it looks and sounds great, is easy to install, and has a chrome look under the hood. Some say it adds a nice deep tone to the truck and sounds like pure sexiness.

    "...Throttle responds so quick. It sounds great and added a nice deep tone to the truck...." Read more

    "...conditions, but when you get into the 3000 RPM range, it sounds like pure sexiness. 2013 F150 5.0L with tune." Read more

    "...Very happy with the purchase and love the chrome look under the hood." Read more

    "Looks good on my 2011 Ford F-150...." Read more

    23 customers mention14 positive9 negative

    Customers are mixed about the fuel efficiency of the engine air filter. Some mention that it increases their fuel mileage by about 1 mpg, while others say that it reduces their fuel efficiency and power.

    "...The truck seems to pull harder at higher RPM, so definite horsepower gain!! The engine roars when you tramp on it!!! I love that sound!..." Read more

    "...opening on the air flow sensor is facing the air filer or the truck will not run...." Read more

    "...1/4” gap all the way around.Definite increase in hp. 2mpg increase in town 8 mpg increase on Hwy...." Read more

    "Does the job well. Better mileage and power." Read more

    19 customers mention12 positive7 negative

    Customers are mixed about the fit of the engine air filter. Some mention that it fits perfectly, while others say that it doesn't fit perfectly, the hard plastic line doesn''t work well, and the bolt holes didn''' not line up correctly.

    "...I have a 2014 f150 XLT with a 5.0 V8. Everything fit perfectly...." Read more

    "Great product!! Nice fit and finish. Air box upper and lower could be a better fit...." Read more

    "...The metal portion that attaches to the top of the air box does not fit as tight as other brands I have owned in the past...." Read more

    "LoudReal loudGood fit..." Read more

    GREAT !but don't expect great things......
    5 Stars
    GREAT !but don't expect great things......
    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 minsMPG ~ 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....
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    Top reviews from the United States

    Reviewed in the United States on April 10, 2017
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    2 people found this helpful
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    Reviewed in the United States on June 4, 2021
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    Reviewed in the United States on September 2, 2015
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    5.0 out of 5 stars GREAT !but don't expect great things......
    Reviewed in the United States on September 2, 2015
    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....
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    33 people found this helpful
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    Reviewed in the United States on April 28, 2019
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    11 people found this helpful
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    Reviewed in the United States on February 4, 2020
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    Reviewed in the United States on April 16, 2022
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    Reviewed in the United States on January 23, 2023
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    5.0 out of 5 stars K&N Model 57 Cold Air Intake
    Reviewed in the United States on January 23, 2023
    Easy to install. Took less than 30 minutes. Start the engine and hear the air moving into the engine making it very happy!! Added a custom tune and now getting 18 mpg from a Ford 5.0 Coyote in 4 wheel drive truck in town! Very pleased.
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    Reviewed in the United States on June 7, 2021
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    Top reviews from other countries

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    Gord
    5.0 out of 5 stars Good product
    Reviewed in Canada on January 3, 2024
    Style: 50 State LegalVerified Purchase
    LABUCHE
    5.0 out of 5 stars Bruit sourd, surtout quand on monte dans les tours.
    Reviewed in France on August 22, 2020
    Style: 50 State LegalVerified Purchase
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    LABUCHE
    5.0 out of 5 stars Bruit sourd, surtout quand on monte dans les tours.
    Reviewed in France on August 22, 2020
    Installation facile, pas besoin de déconnecter la batterie comme il le préconise, ensuite on appui sur l'accélérateur et on écoute le bruit sourd de l'aspiration. Beaucoup plus bruyant mais seulement quand on monte dans les tours. Très satisfait du produit
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    Big Asian
    5.0 out of 5 stars Great value for the price!
    Reviewed in Canada on December 8, 2018
    Style: MetalVerified Purchase
    John H
    5.0 out of 5 stars K&N Blackhawk cold air intake
    Reviewed in Canada on February 24, 2018
    Style: BlackHawkVerified Purchase
    Jean-François Lafond
    5.0 out of 5 stars Bon produit
    Reviewed in Canada on April 8, 2023
    Style: 50 State LegalVerified Purchase