Looking to upgrade your Cummins BD 1036612 S400 Full Marmon Downpipe Kit? This top-of-the-line downpipe is just what you need! It's made with a full Marmon 4.2-inch flange for seamless installation of S400 turbos. Plus, it comes with a Turbo V-Band Clamp and an Exhaust Band Clamp for a tight, secure fit. Whether you're a professional mechanic or a DIYer, this downpipe is sure to give you the best performance possible. Don't wait – upgrade your ride today with the BD 1036612 S400 Full Marmon Downpipe Kit!