The AEM Dryflow Air Filters is designed to increase Horsepower and acceleration. While performance-oriented design benefits are alive and well in this air filter, equally valuable benefits are it's washable and reusable features. The performance filter uses AEM’s Dryflow, non-woven synthetic air filter medium to provide for high air flow rates, and excellent filtration. The performance air filter can go for up to 50,000 Miles between cleanings depending on driving conditions. When it's time for service, cleaning the filter is a simple process and as the filter doesn’t require any oil, it’s quick as well. Air filter comes with a Lifetime Limited Warranty and is the last air filter you’ll ever have to buy. Your engine will be protected with a cost-saving, performance air filter for the life of your vehicle.