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The Diamond Eye 4-inch stainless catback single w/ turn-down kit for 2004–2005 Chevy/GMC 6.6L LLY Duramax 2500/3500 replaces the factory catback with a 4-inch stainless single turn-down assembly. Diamond Eye manufactures exhaust components using mandrel-bending equipment and broad tube tooling; this kit is specified for all cab and bed lengths for the named LLY Duramax model years and provides a finished single-outlet catback layout.
Diamond Eye KIT 4in Catback Single w/ TDP SS 04-05 Chevy/GMC 6.6L Duramax 2500/3500
