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The Gibson Black Elite Filter‑Back single exhaust for 2011–2016 GMC Sierra 2500 HD Denali 6.6L uses a Superflow CFT muffler and black ceramic T‑304 tips to produce a deep, aggressive tone with reduced interior drone. Designed for a straightforward bolt‑on installation, the mandrel‑bent stainless tubing and included hardware provide durable performance, and the system is covered by Gibson's limited lifetime warranty.
Gibson 11-16 GMC Sierra 2500 HD Denali 6.6L 4in Filter-Back Single Exhaust - Black Elite
