This Hooker BlackHeart Cat-Back exhaust is for 2019*-2022 Silverado/Sierra 1500 (*2019 New Body Style Only) with 5.3L V8 engines and factory single exhaust. Constructed from 409 stainless steel for lightweight, strength and superior corrosion resistance. It has a high flow straight through muffler to provide a deep sporty tone with an aggressive sound level and produces an extra 12 HP and 14 ft.-lb. torque. This system includes 4-inch polished stainless steel tips to complete the look of your truck. Includes installation instructions and all necessary hardware for an easy installation that you can do at home.