Experience an Obvious Difference: Whether you are noticing a delay in acceleration, less than average gas mileage or own a higher mileage vehicle, our Max Thrust engine air filters will provide a clear and cost effective upgrade over stock performance | Trap 2X Dirt vs. Standard Air Filters: Our unique Hex-D pleat design creates maximum holding capacity for trapping unwanted dirt and debris without compromising airflow like standard air filters thanks to multiple layers of progressively finer filter media that allows air to flow freely even when the filter is dirty | Increased Power and Mileage up to 15K Miles: Deficient airflow can cause your engine to work twice as hard to suck in the minimum amount of air it needs to perform regularly, resulting in poorer gas mileage and lower power efficiency; Max Thrust air filters are designed to give your engine a break by delivering as much clean air as it needs to perform optimally up to 15K miles | Do It Yourself: Replacement for Edge (2015-19), Fusion - Fits all trims except Hybrid (2013-19), Continental (2017-19), MKX (2016-19), MKZ - Fits all trims except Hybrid (2013-19), make sure to enter your year, make and model above to check fitment; the engine air filter is an easy replacement that can save you money at the repair shop | Better Filters than Your Last or Your Money Back: We know it’s hard to choose from so many different brands carrying the same product; we make it easier for our customers to decide with a simple promise