The single-Exit cat-back kits for the F150 EcoBoost's add an awesome sound while keeping most of your factory looks. These cat-backs are easy to install and are a clean, hassle-free way to get a great sound out of your truck. Improve your vehicle's power performance by providing a quick easy way to remove hot air away from your engine. Pair your exhaust kit with other accessories like our cold air intakes or tuners. Ford F-150 Fitments: 2011, 2012, 2013, 2014 Ford F150 with 3.5L Ecoboost engines. Submodel Fitments: FX2, FX4, King Ranch, Lariat, Limited, Platinum, STX, XL, XLT. Some Exceptions apply, please see individual product pages for specific fitments.