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The Diamond Eye 4-inch stainless catback single w/ turn-down kit for 2006–2007 Chevy/GMC 6.6L LBZ Duramax 2500/3500 replaces the factory catback with 4-inch stainless piping and a single turn-down outlet. Diamond Eye’s fabrication resources support coherent bends and fitment across multiple diameters; this kit is listed to fit all cab and bed lengths for the specified LBZ Duramax model years.
Diamond Eye KIT 4in Catback Single w/ TDP SS 06-07 Chevy/GMC 6.6L Duramax 2500/3500
