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Drop-In Replacement Air Filter

By: K&N

#33-2401

    • Limited Million Mile Warranty
    • 1,200 different replacement air filters
    • Our stock replacement air filters for street vehicles
    • Time Required: 15 minutes (approximately)

    • Skill Level: Beginner - No mechanical experience is required to perform this installation.

    • Focus 2008-2011 2.0L I4

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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple.

With most vehicles you simply remove the disposable air filter and replace it with a K&N. Our stock replacement air filters for street vehicles are covered by our famous K&N million mile limited warranty™ and will be the last air filter your vehicle will ever need. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.

Our stock replacement air filters for street vehicles are covered by K&N's million mile limited warranty

 


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