This Flowmaster(R) FlowFX(R) cat-back exhaust system for the 2019-2022 GM Silverado/Sierra 1500 trucks with the 6.2L engine is manufactured using durable 409 stainless steel throughout and features 3.5-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX straight-through muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +26 hp and +39 lb. Ft at the rear wheels. This system fits all wheelbases and connects to the factory exhaust tips that exit in the rear bumper for a stealthy look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmasters Lifetime Limited Warranty.Specifications: Description_DES FlowFX Cat-Back Exhaust System Description_EXT FlowFX Cat-Back Exhaust System; 3.5 To 2.5 in. Tubing; Dual Rear Exit; 409 Stainless Steel; Incl. Hangers/Installation Hardware; Description_FAB Max Increases Of Up To 26 Hp And 39 Lb.Ft. Over The Stock Exhaust At The Rear Wheels Description_FAB 3.5 And 2.5 In. Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability Description_FAB Connects To The Factory Dual Exhaust Tips For A Stealthy Look Description_FAB Includes Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation Description_FAB Backed By Flowmaster s Lifetime Limited Warranty Description_MKT This Flowmaster(R) FlowFX(R) cat-back exhaust system for the 2019-2022 GM Silverado/Sierra 1500 trucks with the 6.2L engine is manufactured using durable 409 stainless steel throughout and features 3.5-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX straight-through muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +26 hp and +39 lb. Ft at the rear wheels. This system fits all wheelbases and connects to the factory exhaust tips that exit in the rear bumper for a stealthy look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmasters Lifetime Limited Warranty. Description_SHO Exhaust System Kit This Part Fits: Year Make Model Submodel Notes 2020 Chevrolet Silverado 1500 Custom Trail Boss 2021 Chevrolet Silverado 1500 Custom Trail Boss 2019 Chevrolet Silverado 1500 High Country 2020 Chevrolet Silverado 1500 High Country 2021 Chevrolet Silverado 1500 High Country 2022 Chevrolet Silverado 1500 High Country 2020 Chevrolet Silverado 1500 LT Trail Boss 2021 Chevrolet Silverado 1500 LT Trail Boss 2022 Chevrolet Silverado 1500 LT Trail Boss 2019 Chevrolet Silverado 1500 LTZ 2020 Chevrolet Silverado 1500 LTZ 2021 Chevrolet Silverado 1500 LTZ 2022 Chevrolet Silverado 1500 LTZ 2020 Chevrolet Silverado 1500 RST 2021 Chevrolet Silverado 1500 RST 2022 Chevrolet Silverado 1500 RST 2019 GMC Sierra 1500 AT4 2020 GMC Sierra 1500 AT4 2021 GMC Sierra 1500 AT4 2022 GMC Sierra 1500 AT4 2019 GMC Sierra 1500 Denali 2020 GMC Sierra 1500 Denali 2021 GMC Sierra 1500 Denali 2022 GMC Sierra 1500 Denali 2019 GMC Sierra 1500 SLT 2020 GMC Sierra 1500 SLT 2021 GMC Sierra 1500 SLT 2022 GMC Sierra 1500 SLT