Boost your 2004–2007 Dodge 5.9L Cummins with our performance-proven upgrades like turbo-back exhaust systems, 5.9L-compatible injectors, transmission upgrades and suspension parts. This section includes parts tailored for the common rail platform, including Smarty tuners, billet flexplates, and aftermarket intercoolers. Perfect for builds using 48RE transmissions or compound turbo setups.
Magnaflow Universal Converter 3.00in. C/C Met. 59959 Ships to Continental US Only. MagnaFlow Conv Univ 3.00inch C/C Met. Stainless . Not for sale or street use in CA & CARB states.
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 Federal Universal 4" Offset Catalytic Converter Universal 60121Ships to Continental US Only. The Magnaflow 60121 Federal Universal 4" Offset Catalytic Converter is specially designed for your diesel exhaust system. MagnaFlow...
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...