The Diamond Eye 4‑inch turbo‑back aluminized exhaust system kit is made for 1989–1993 Dodge 5.9L Cummins 2500/3500 applications and replaces the factory turbo‑back system. The kit references mandrel‑bent 4" tubing in an aluminized finish for corrosion resistance. Diamond Eye emphasizes modern CNC mandrel bending and fabrication, production scale capacity, and an R&D focus to deliver quality exhaust components and reliable fitment.
Diamond Eye KIT 4in Turbo Back MFLR RPLCMENT PIPE SGL AL: 89-93 DODGE CUMMINS 5.9L