Hooker BlackHeart 2019-2021 RAM 1500 Dual Cat-Back Exhaust Systems are constructed from stainless steel for maximum strength and durability and their straight-through design delivers an additional 14 horsepower and 21 lb-ft of torque. These systems incorporate precision tube geometry and factory mounting points to make installation extremely simple and to weigh 20% less than the OEM muffler and components.