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Ford Focus ST Stock Replacement Air Filters
Buy an AEM Performance Air Filter and Get Free Shipping!
- Designed to Increase Horsepower and Acceleration
- Dryflow Oil-Free Synthetic Air Filter
- Low Restriction for more Power and Torque
- Excellent Filtration
- Lifetime Limited Warranty
Use for up to 50,000 Miles Between Cleanings Depending on Driving Conditions Give your Ford Focus ST new life with an AEM Air Filter!
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