AEM is a leader in cold air intakes for the import car market. All AEM Air Intakes come with an oil-free DRYFLOW Synthetic air filter with great filtration. AEM Air Intake Systems including our Cold Air Intake, Short Ram Air Intake, and Brute Force Air Intake Systems come with a lifetime limited warranty. Expect your vehicle to give you quicker throttle response, better gas mileage, and more pull all the way to redline with an AEM intake. All AEM intakes are manufactured in the USA.