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The Diamond Eye 4-inch aluminized catback single w/ turn-down kit for 2004–2005 Chevy/GMC 6.6L LLY Duramax 2500/3500 provides a 4-inch aluminized replacement for the catback section with a single turn-down outlet. Produced with tooling that accommodates aluminized tubing, the kit is specified to fit all cab and bed lengths for the listed LLY Duramax applications and supplies a finished single-outlet catback configuration.
Diamond Eye KIT 4in Catback Single w/ TDP AL 04-05 Chevy/GMC 6.6L Duramax 2500/3500
