Use this exhaust system on your 2011 - 2014 Ford F - 150 for daily commuting, long - distance driving, or off - road adventures. It's perfect for Ford F - 150 owners who want to boost their vehicle's performance and add a great sound. The system has a 3 - inch cat - back single - side exit design and is made of T409 Stainless Steel tubing that's mandrel - bent for better exhaust flow.