The AP Exhaust 2518 Challenge Series Replacement Muffler uses a patented Single Cartridge Muffler design to provide maximum sound control for your 2003-2004 Dodge 5.9L Cummins. AP Exhaust constructs this muffler from 100% aluminized steel with welded support brackets right to the body. Challenge mufflers perform with minimum back-pressure and maximum sound control, just like the OE. Backed by a limited lifetime warranty.
Part number: 2518