Diamond Eye 4in turbo downpipe with HX40 flange for 1989–1993 Dodge 5.9L Cummins 2500/3500 (4x4) is a mandrel-bent exhaust component built using CNC fabrication and extensive tooling. Specified for these Cummins applications, it offers a direct-fit turbocharger downpipe option produced under Diamond Eye’s in-house manufacturing and R&D standards, reflecting their focus on mandrel bending and quality control.
Diamond Eye Downpipe 4in TB Single W/ HX40 FLANGE AL DODGE 5.9L 2500/3500 89-93 4X4 ONLY