The MagnaFlow Chevrolet Silverado 1500/GMC Sierra 1500 D-Fit Muffler Replacement with Muffler Performance Exhaust System #19533 enhances your rig with dyno-proven performance while replacing your truckâ€s OEM mufflers. The clamp-on inlet clamp-on outlet design facilitates easy installation. #19533 features fast-flowing 3” mandrel bent main piping that passes through a 14” straight-through performance muffler and 11” NDT (No Drone Technology) resonator and is compatible with all 2019-2024 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with the 4.3L or 5.3L engine options (except those with the factory performance exhaust option). MagnaFlowâ€s No Drone Technology helps minimize the droning that you might otherwise hear while cruising at highway speeds. This system replaces the mid-body section of your OEM exhaust system. This Silverado 1500/Sierra 1500 exhaust kit is made of durable stainless steel and produced using advanced CNC precision robotic manufacturing techniques all backed by MagnaFlowâ€s limited lifetime warranty.