AFE 304 Stainless Blade Runner Exhaust Manifold 03-07 Dodge 5.9L Cummins Diesel [AFE46-40011]

Eliminate the costly exhaust manifold cracks prevalent in the factory exhaust manifold. The aFe Bladerunner exhaust manifold 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" for the stock unit),, matched ports and has a merged runner design to maximize maximize exhaust flow.