aFe BladeRunner Ported Ductile Iron Exhaust Manifold (46-40054) 4031 5L 4Cyl offers a free-flowing

5L 4Cyl offers a free-flowing 3 inch mandrel-bent aluminum tube induction system designed to increase horsepower

Withstands Temperatures From -40°F to 257°F (-40°C to 125°C)

ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts

Diamond Black 180mm RS-style tips come standard

This allows for larger volume whilst maintaining a smooth flow path

aFe BladeRunner Ported Ductile Iron Exhaust Manifold (46-40054) 4031 5L 4Cyl offers a free-flowingBladeRunner Ductile Iron Exhaust Manifold (46 40054) by aFe. Replace the exhaust manifold on your Dodge diesel with the BladeRunner manifold. It was created to address a cracking problem with the stock manifold, but it's so far advanced compared to the stock unit, you should replace your OEM manifold even if there's nothing wrong with it. The BladeRunner manifold will not only last far longer, it will improve performance and lower exhaust gas