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The Gibson Dual Sport cat-back for 2015–2018 Chevrolet Silverado 1500 LS 5.3L is an aluminized bolt-on exhaust that exits behind the rear tire for distinctive styling while preserving trailer tow clearance. Dyno-tested to add horsepower and torque—average gains listed at 18–20 hp and 15–20 lb-ft—this system features a baffled Superflow muffler for minimal interior drone, polished round slash-cut tips, and no-weld installation.
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Sport Exhaust - Aluminized
