The MagnaFlow D-Fit Performance Exhaust Muffler Replacement Kit With Muffler 19493 offers enthusiasts an easy way to upgrade their 2014-2023 Ram 6.4L with the deep signature sound and dyno-proven performance that MagnaFlow exhaust systems are famous for. This easy-to-install solution is designed to connect (where applicable) to the stock break points of your 6.4L truck and replaces the restrictive factory muffler with a MagnaFlow straight-through muffler while retaining the OEM piping and tailpipe. 19493?is engineered to produce Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 3.5in. main piping. This exhaust system is produced using CNC precision robotic manufacturing and features durable 100% stainless steel construction, all backed by a limited lifetime construction warranty.