AFE 46-40011 BladeRunner Stainless Exhaust Manifold 03-07 Dodge 5.9L Cummins AFE-48-33016-PK and better MPG's

and better MPG's

This upgrade kit works in conjunction with your AFE DFS780 Fuel System to ensure frigid temperatures are never the culprit for your truck not starting

This quick and easy Plug & Play SCORCHER HD module adds significant power by altering pressure sensor signals to increase turbo boost and fuel pressure to improve vehicle efficiency

AFE has an answer

and probably better than that honestly

AFE 46-40011 BladeRunner Stainless Exhaust Manifold 03-07 Dodge 5.9L Cummins AFE-48-33016-PK and better MPG'sEliminate the costly exhaust manifold cracks prevalent in the factory Cummins exhaust manifold. The aFe BladeRunner exhaust manifold for the popular 5. 9L Dodge Cummins is constructed out of cast 304 stainless steel with a reinforcing rib for strength. The BladeRunner exhaust manifold produces an air flow increase of 23% over the stock manifold. This manifold also features 2 EGT probe ports, thick wall design for increased strength (0. 25" vs 0. 15"