AFe POWER BLADERUNNER DUCTILE IRON EXHAUST MANIFOLD. This manifold is constructed of durable cast ductile iron with a reinforcing rib for maximum strength between the port flanges. The aFe BladeRunner exhaust manifold for the popular 03-07 Dodge Ram Cummins with the L6-5.9L (td) engine sets a new standard in manifold design.
These manifolds are awesome hasn't warped keep cooler egt's and most importantly hasn't cracked over all can't beat it for a basic to mild performance application