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The Diamond Eye 4-inch DPF-back stainless exhaust kit replaces the factory DPF-back piping on 2011–2012 Chevrolet and GMC 6.6L Duramax 2500/3500 trucks. Constructed using mandrel bending and CNC-supported fabrication, the kit uses 409 stainless tubing for durability and consistent fit across all cab and bed lengths. Diamond Eye's in-house R&D and production processes focus on precise tube processing and dependable assembly.
Diamond Eye KIT 4in DPF-BACK Single SS: 11-12 CHEVY 6.6L 2500/350
