Boost your power performance with the consistent airflow from these exhaust kits. With consistent airflow you are able to remove harmful hot gasses away from your engine to allow the use of clean cooler air that helps enhance your vehicles performance. Upgrade your engine to get the most out of your drive quality and sound with the wide variety exhaust kits. Make sure to take a look at our cold air intakes or our leveling kits. Ford F-150 Fitments: 2011, 2012, 2013, 2014 Ford F150 with 3.7L V6 engines. Submodel Fitments: STX, XL, XLT. Some Exceptions apply, please see individual product pages for specific fitments.