Aftermarket Exhaust Systems are one of the most popular modifications for any 1998.5-2002 Dodge 5.9L 24V Cummins. As soon as you begin looking for an exhaust, you will see a variety of construction choices and price points. Exhaust systems can be constructed in either stainless steel or aluminized steel and are available from many manufacturers. A performance exhaust kit will typically add horsepower/torque, decrease the exhaust gas temperatures (EGT's), and can even help engine efficiency. Different diameter exhausts are available such as 4" & 5" and offer unique sounds for your vehicle. Exhaust installation is typically a DIY task that can completed right in your driveway. You can find exhaust systems from all of the leading brands like MBRP, Magnaflow, AFE, Banks Power, AP Emission Technologies, and more!