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The Gibson Dual Split cat-back for 2015–2018 Chevrolet Silverado 1500 LS 5.3L is an aluminized, bolt-on system that reduces backpressure and produces a throaty exhaust note. Dyno testing indicates typical gains of 18–20 horsepower. The baffled Superflow muffler minimizes interior drone while polished stainless slash-cut tips provide a finished look. Works with most bumpers and trailer hitches and installs without welding.
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Split Exhaust - Aluminized
