The MagnaFlow Ram 1500 D-Fit Performance Exhaust Muffler Replacement Kit With Muffler 19433 offers enthusiasts an easy way to upgrade their Ram 1500 5.7L 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 5.7L truck and replaces the restrictive factory muffler with a MagnaFlow straight-through muffler while retaining the OEM piping and tailpipe. 19433 is engineered to produce Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 3in. 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.