COMPATIBILITY – Fits 2019-2021 Chevrolet Silverado 1500; 2019-2021 GMC Sierra 1500 GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes IMPROVED FLOW CAPACITY -- Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power DESIGNED TO PERFORM -- Fixture checked to ensure a precise fit for quick and easy installation KEY COMPONENT -- Exhaust pipe is included in DynoMax Ultra Ultra Flo welded dual cat-back exhaust system 39540 PREMIUM MATERIALS -- Made from stainless steel for durability and long life BETTER TOGETHER -- Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade