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The Gibson Dual Sport cat-back exhaust for 2010–2013 GMC Sierra 1500 SLE 4.8L is a stainless bolt‑on system that exits behind the rear tire for a distinctive look that minimizes trailer interference. Dyno testing indicates typical increases of 10–15 hp and 15–20 lb‑ft of torque while delivering a deep, authoritative tone with minimal interior drone. Polished clamp‑on tips, mandrel‑bent tubing and included hardware simplify installation; Lifetime Limited Warranty.
Gibson 10-13 GMC Sierra 1500 SLE 4.8L 2.25in Cat-Back Dual Sport Exhaust - Stainless
