K&N Engine Air Filter for 2008-2011 Ford Focus - High Performance, Washable Replacement Filter

The K&N Engine Air Filter is designed to enhance your vehicle's performance by increasing airflow by up to 50% compared to standard disposable filters. This premium, washable filter is engineered to last for the life of your vehicle, backed by a 10-Year/Million Mile Limited Warranty. It fits seamlessly into your factory air box, making installation quick and easy. With a low maintenance design, it can go up to 50,000 miles before needing cleaning under normal driving conditions. This eco-friendly filter helps reduce waste by eliminating the need for multiple disposable filters. • Ultimate longevity: 10 year/million mile limited warranty protects for the life of your vehicle • Engineered power: Provides up to 50% more airflow than disposable filters • Easy installation: Pre-oiled and ready to drop into your factory air box • Washable and reusable: Reduces replacement waste, lasting longer than 10 disposable filters • Engine protection: Protects against harmful contaminants with low maintenance design.