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The Diamond Eye 4-inch catback exhaust kit for 2006–2007.5 Chevy/GMC 6.6L Duramax 2500/3500 fits all cab and bed lengths and uses 4" 409 stainless construction in a single muffler, direct-replacement layout. Diamond Eye emphasizes CNC mandrel bending and in-house fabrication to ensure precise tube routing, with manufacturing and R&D resources focused on consistent quality and fit for Duramax applications.
Diamond Eye KIT 4in Catback Single MFLR RPLCMENT PIPE SS CHEVY/GMC 6.6L 2500/3500 2006-2007.5
