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1994-04 Mustang Parts
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2003-04 Mustang Cobra K&N Performance Air Intake System - 572545 by K&N


2003-04 Mustang Cobra K&N Performance Air Intake System - 572545

Replace your factory-restrictive airbox with this high-flow K&N air intake system for your 2003-2004 Cobra!

Item #KN-572545
MPN# 57-2545

Everyday Low Price: $367.99

Available!
Ships by Monday, September 28
 This item is returnable. Details

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LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

 Benefits

  • Improves Throttle Response
  • Increases Intake Sound
  • Increases Horsepower
  • Bolt-On Installation

 Features

  • K&N Million Mile Limited Warranty
  • High Flow Reusable Air Filter
  • Hardware & Clamps Included
  • Easy to install

 What's in the Box

  • (1) K&N Performance Air Intake System Kit

2003-04 Cobra K&N Performance Air Intake System
Increase the airflow to the engine on your 2003-2004 Cobra with this K&N performance air intake system! Allowing more air which means improved throttle response, more usable power, and acceleration throughout the engine's RPM range. Allow your engine to inhale a larger amount of air than the factory airbox and air filter assembly thanks to the high-flow reusable air filter. Provided in this kit are the correct mass air flow adapter, heat shield, intake tube adapter, and MAF gasket, as well as the proper support brackets, making sure you have everything you need for a simple installation. This air intake is relatively easy to install, usually in 90 minutes or less using existing factory mounting points, and comes with all the necessary hardware and clamps. Backed by the K&N million-mile limited warranty, this air intake system will last the lifetime of your Mustang!

Why Choose K&N?

  • Engineered Power : State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • Rugged Construction: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 Layers Of Protection: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • Clean Once Every 5 Years: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles) We suggest checking every oil change for level of contamination. 
  • Saves You Money: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • Ultimate Longevity: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • Easy Install: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • Reduces Waste: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills


K&N Warranty - Click Here

  • Ford Mustang - 2003, 2004
  • Sub Models: Cobra

California Residents:
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About This Brand


K&N

K&N - The Worlds Best Air Filter
K&N Engineering is the inventor and leading innovator of reusable cotton gauze air filtration technology.

Designed to increase your Mustang or Lightnings horsepower and acceleration while providing excellent filtration. These filters are washable, reusable and built to last for the life of an automotive engine.

K&N filter elements consist of four to six sheets of cotton gauze layered between two sheets of aluminum wire mesh. This media is then pleated and oiled to enhance its filtering capabilities and overall performance.

The result is a performance air filter that allows more air into your engine, never needs replacing, and will protect your engine for the life of your Mustang.

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