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 Universal Converter 2.50inch C/C Met. 59956Ships to Continental US Only. MagnaFlow Conv Univ 2.50inch C/C Met. Not for sale or street use in CA & CARB states.
Magnaflow Conv Universal 2.50inch C/a 54976Ships to Continental US Only. MagnaFlow Converter Universal 2.50inch C/A.  Not for sale or street use in CA & CARB states.
Magnaflow 6" Dual Wall Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35233Ships to Continental US Only. Magnaflow Tip (1-Pk) DWACRE 6.00 x 13 - 5.00in. ID
Magnaflow Black Series Intercooled Angle Cut Exhaust Tip 4" In, 5" Out, 13" 35220Ships to Continental US Only. The Magnaflow 35220 5" Black Series Intercooled Angle Cut Exhaust Tip features a 100% stainless steel construction with a durable black...