BD Diesel 07.5-18 Dodge 2500/3500 Pick-Up Exhaust Manifold KitA fully divided pulse manifold made from high silicon ductile iron designed to withstand extreme temperatures and vibration. Precision slip joints allow the manifold to expand and contract, reducing cyclic thermal fatigue and greatly increasing manifold longevity. This kit comes with new gaskets, bolts, and spacers for maximum convenience and value.