Looking for maximum performance for your 6.7 Powerstroke 2011-2014 or 6.7 Powerstroke 2015 Cab & Chassis? The MBRP FALCA459 4 Inch Installer Series Turbo Downpipe is the perfect choice for truck owners who require superior quality and reliability. Our turbo downpipe is built from heavy duty aluminized steel, designed to offer increased flow and improved performance, as well as lowered exhaust gas temperatures. CARB EO# D-763-1 allows you to take advantage of all the benefits it offers. As with all MBRP products, the FALCA459 comes with a 3-year warranty, giving you peace of mind when making an investment in your truck's performance. Enjoy unparalleled power and efficiency with this remarkable product—enhance your driving experience today!