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The Diamond Eye 4-inch aluminized catback exhaust kit for 2004.5–2007.5 Dodge 5.9L Cummins 2500/3500 (all cab and bed lengths) is a complete system built using mandrel bending and modern fabrication. Diamond Eye’s manufacturing notes describe extensive CNC mandrel bending, tube processing up to 5" OD, and dedicated R&D, supporting consistent fitment and a shop-ready assembly for these Dodge diesel trucks.
Diamond Eye KIT 4in Catback DUAL AL: 2004.5-2007.5 DODGE CUMMINS 600
