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Gibson Black Elite dual extreme cat‑back for 1999–2003 GMC Sierra 1500 SL 5.3L is a bold bolt‑on system that exits behind the rear tires at an aggressive angle. It features T‑304 tips with Gibson's black finish, a Superflow stainless muffler for a powerful tone and mandrel‑bent stainless tubing. The package emphasizes bold street looks, dyno‑tuned gains, minimal interior drone and a limited lifetime warranty.
Gibson 99-03 GMC Sierra 1500 SL 5.3L 2.5in Cat-Back Dual Extreme Exhaust - Black Elite
