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2004 Ford Focus
Air Filters

2004 Ford Focus Air Filters

Needing more performance from your 2004 Ford Focus? Our selection of Air Filters can get your 2004 Ford Focus where you need. For fun daily or weekend driving, Air Filters can be the next piece of the puzzle for your Ford Focus's performance. Air Filters designed specifically for 2004 Ford Focus and easy installation. See thousands of reviews from Ford Focus owners like yourself across all our Air Filters, and competitive warranties on all 2004 Ford Focus Air Filters.
Our Air Filters designed for 2004 Ford Focuss are backed by our 1-year lower price guarantee. If you find Air Filters for your 2004 Ford Focus elsewhere, we'll beat that by $1. Bring your Ford Focus to the performance level it should have left the Ford factory with using Air Filters. Feel free to call us with any questions on what 2004 Ford Focus Air Filters are best for your needs!
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Customer Reviews

Injen Replacement Air Intake Filters

Easy and Fast

Good buy for the price, as long as you know what size your intake is, its easy and fast! View more reviews...
Posted By Matthew C (Chattanooga, TN) / August 15, 2006
2003 Ford Focus
Yes
No
K&N Cold Air Intake Replacement Filters

Regular Maintenance

original filter had been in place for 4 yrs with nearly 50,000 miles on it. i noticed a decline in performance & fuel economy. ordered a replacement filter, easy install and back to good running health in no time. K&N is GOOD for your engines. I would recommend it to anyone. View more reviews...
Posted By Terry S (HANOVER, VA) / December 16, 2022
2008 Ford F-250
Yes
No
Wix Air Filter

WIX AIR FILTER

MY CAR RUNS BETTER,AND GETS BETTER GAS MILLIAGE. View more reviews...
Posted By JOHN C (Fort Lauderdale, FL) / April 22, 2020
2018 Nissan 370Z
Yes
No

From our experts

Monday, December 10, 2018

What Do Air Filters Do?

How Air Filters Work The internal combustion engine in your vehicle is really just a big, complex air pump. Air gets sucked in, mixed with fuel, burned and sent back out in the form of exhaust. But since air around motorways tends to be dusty, dirty, debris-laden, there needs to be a filtration device to […] The post What Do Air Filters Do? appeared first on AutoAnything Resource Center.
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