This stainless steel bolt on exhaust system for the 2011 to 2018 GMC and Chevrolet 1500, crew cab / short bed and extra cab / standard bed with 6.2L engine uses Flowmaster's 50 Series Big Block muffler for a muscular exterior sound and 3.50 in. mandrel bent tubing throughout. The system features a polished, 4.00 in. embossed stainless tip and delivers noticeable performance gains while offering a moderate sound level inside and out. The system is a true bolt on with an OE style ball flange connection and it utilizes the factory exhaust hangers for easy at home installation. Flowmaster's lifetime limited warranty protects your investment for the life of the vehicle.