MagnaFlow's direct-fit muffler replacement kit for 2019–2024 Chevrolet Silverado 1500 and GMC Sierra 1500 (4.3L or 5.3L engines) replaces the mid-body OEM section with a clamp-on inlet/outlet design for straightforward installation. It uses 3" mandrel-bent piping through a 14" straight-through muffler and an 11" NDT resonator, stainless construction, and MagnaFlow’s limited lifetime warranty.
MagnaFlow 19-23 GM 1500 4.3L / 5.3L D-Fit Muffler Replacement