BD Power 2-Piece Exhaust Manifold 19-24 Ram 6.7L Cummins Cab & Chassis 3500/4500/5500 Select Your Manifold Kit:Mainifold & Full Kit With Hardware & Gaskets and provides a guaranteed increase

and provides a guaranteed increase in horsepower and torque

or even worse

meaning no air in the injectors

Perfect for trucks under 550HP

BD Power 2-Piece Exhaust Manifold 19-24 Ram 6.7L Cummins Cab & Chassis 3500/4500/5500 Select Your Manifold Kit:Mainifold & Full Kit With Hardware & Gaskets and provides a guaranteed increaseHorsepower creates heat pure and simple. On a high output engine like the Dodge Cummins, high exhaust gas temperature (EGT) is enough to cause the stock exhaust manifold to crack, especially those that occur during regeneration cycles caused by the factory emissions system. BD's manifold is cast from high silicon ductile iron which can withstand extremely high temperatures, as well as the additional weight created by bigger single or twin turbo