Looking for an upgrade for your Duramax truck? Check out the Banks 48632 Single Monster 4 Inch CAT-Back Exhaust System. This system is designed to deliver improved performance and sound, with a muffler that reduces in-cab drone and lowers exhaust gas temperatures. The 4” mandrel-bent stainless steel construction is built to last, and the side exit chrome or black rolled-edge exhaust tip adds a touch of style. Plus, this system comes with a 5 year limited warranty, so you can drive with peace of mind. Give your truck the upgrade it deserves – order the Banks 48632 Single Monster 4 Inch CAT-Back Exhaust System today!