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(501 ratings)
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K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 10HP: Compatible with 4.6L, V8, 2007-2008 Ford F150, 57-2574

4.2 4.2 out of 5 stars 60 ratings

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Brand K&N
OEM Part Number 57-2574
Product Grade
Performance 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 an estimated increase up to 10HP and up to 12 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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K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 10HP: Compatible with 4.6L, V8, 2007-2008 Ford F150, 57-2574
K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 10HP: Compatible with 4.6L, V8, 2007-2008 Ford F150, 57-2574
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Price$299.99-13% $349.99
List:$399.99
-13% $347.30
List:$399.99
-13% $349.99
List:$399.99
-17% $208.35
List:$249.99
-7% $299.99
Typical:$322.99
Delivery
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Friday, Mar 29
Customer Ratings
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Amazon.com
Amazon.com
Amazon.com
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material
Polyethylene, Aluminum, Cotton, Carbon Fiber
Other
Carbon Fiber, Cotton, Polyethylene
Carbon Fiber, Cotton, Polyethylene
Cotton
Polyethylene, Aluminum, Cotton, Carbon Fiber
model number
57-2574
77-2580KP
77-2616KC
71-2576
AIR-400-740
57-2569
fit type
Vehicle Specific Fit
Vehicle Specific Fit
Vehicle Specific Fit
Vehicle Specific Fit
Vehicle Specific Fit
Vehicle Specific Fit
product grade
Performance Part
Performance Part
Performance Part
Performance Part
Replacement Part
Performance Part

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-1041

Vehicle Fitment: 2007-2008 FORD F150

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
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 10HP: Compatible with 4.6L, V8, 2007-2008 Ford F150, 57-2574


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What's in the box

  • Air Intake Kit & Warranty Card
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    Customer reviews

    4.2 out of 5 stars
    4.2 out of 5
    60 global ratings

    Customers say

    Customers like the sound quality, ease of installation, performance, and value of the engine air filter. For example, they mention it sounds really nice, has a deeper tone, and improves throttle response. That said, they say it's worth the money and a fairly cheap mod to boost high end torque and horsepower.

    AI-generated from the text of customer reviews

    13 customers mention13 positive0 negative

    Customers are satisfied with the sound quality of the engine air filter. They mention that it sounds really nice, has a deeper tone, and has fewer annoying growls. Some say that the filter makes a huge noticable difference in intake noise when on the throttle. Overall, most are happy with their purchase and recommend it to others.

    "...These make your truck sound great too but beware- don't go putting your foot in the pedal because of how great it sounds or you'll soon end up..." Read more

    "...The increase in power is very noticeable. It also sounds amazing, not any louder, just a deeper tone...." Read more

    "Really easy to install. Nice sound. Not much performance like expected. It looks really good when you open the hood." Read more

    "...Sounds cool, not much else I can say. It kind of annoyed me on long drives however, better invest in an audio system too ;)...." Read more

    8 customers mention8 positive0 negative

    Customers find the installation process of the engine air filter to be easy. They mention that the instructions are straight forward.

    "...The installation was easy and even someone who is not very mechanically inclined could knock this out in 1-2 hours...." Read more

    "I bought this intake for my 2007 Ford F-150 4.6L. Had no trouble installing it, it uses all existing mounts in he engine bay...." Read more

    "Really easy to install. Nice sound. Not much performance like expected. It looks really good when you open the hood." Read more

    "...Everything went well from order process to shipping and receiving...." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the performance of the engine air filter. They mention that it does increase performance a little, runs fantastic, and improves throttle response. Some say that it fits perfect and was delivered fast.

    "...is a great kit that allows your F150 to no only breathe better but perform better...." Read more

    "...Throttle response has improved." Read more

    "...I put mine in my 2007 Ford F150 XL Extended cab. Fit perfect and runs fantastic." Read more

    "Easy install, instructions are straight forward. Does increase performance a little. Wish it was a wet filter. ESP for the money...." Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the power of the engine air filter. They mention that it increases power and sound immediately. They also say it's a fairly cheap mod to boost high end torque and horsepower.

    "...recommend this to anyone looking for a fairly cheap mod to boost high end torque and horsepower, with no in depth changes to any existing systems." Read more

    "I love this product. Noticed an increase in horse power and sound immediately...." Read more

    "...My 2007 F-150 4X4 runs great with a noticeable increase in pick up power..... I highly recommend this product." Read more

    "Sounds great! Definitely noticed the hp increase. Also easy install 1 to 1.5 hrs." Read more

    4 customers mention4 positive0 negative

    Customers appreciate the value of the engine air filter. They mention it's worth the money, and a fairly cheap mod to boost high end torque.

    "...I would recommend this to anyone looking for a fairly cheap mod to boost high end torque and horsepower, with no in depth changes to any existing..." Read more

    "...Does increase performance a little. Wish it was a wet filter. ESP for the money. Other than that easy install and ok sounding" Read more

    "Worth the money!..." Read more

    "Great Unit, Great price..." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the breathability of the engine air filter. They mention that it allows their F150 to not only breathe better, but perform better. Some say that the filter provides better airflow for their vehicle.

    "This is a great kit that allows your F150 to no only breathe better but perform better...." Read more

    "...I recommend this to anyone wanting a better sound and better airflow for their vehicle. I put mine in my 2007 Ford F150 XL Extended cab...." Read more

    "It works ! Breaths alot better now." Read more

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