SWAG Performance offers a large selection of OEM and aftermarket parts for your 2003–2004 5.9L Cummins engines, including high-pressure fuel system upgrades, electronic tuners, and direct-fit 5.9L turbochargers. Featuring early common rail-specific components, this lineup supports transmission tuning for 47RE and 48RE platforms, plus bolt-on airflow upgrades ideal for towing or track applications.
Magnaflow Stainless Tip 4.5in Dia 2.5in Inlet 5.75in Length 35224Please Call For Availability. Ships to Continental US Only. MagnaFlow Tip Stainless Double Wall Round Single Outlet Polished 4.5in DIA 2.5in Inlet 5.75in Length
Magnaflow 4" Y-pipe Transition Universal - 4" X 4" 10799Please Call For Availability. Ships to Continental US Only. MagnaFlow Smooth Trans Y 4 x 13inch C/D SS