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Gibson Dual Sport cat-back exhaust for 2021–2022 GMC Yukon XL 1500 and Suburban 1500 5.3L 2/4wd offers a deep, authoritative tone while exiting behind the rear tire for a distinctive look that won’t interfere with a tow trailer. This stainless bolt-on system includes mandrel-bent tubing, a baffled Superflow muffler, polished slash-cut tips, and hardware for easy installation. Dyno testing shows average gains of 10–15 hp and increased torque; lifetime limited warranty included.
Gibson 21-22 GMC Yukon XL 1500/ Suburban 1500 5.3L 2/4wd Cat-Back Dual Sport Exhaust
