This exhaust is perfect for car enthusiasts who want to boost their vehicle's performance. Whether you're on long - distance road trips or driving in tough conditions, it's up for the task. It's designed to fit specific models of 2021 - 2025 Chevrolet and GMC vehicles with a 5.3L engine. Made of T304 stainless steel, it's durable and easy to maintain. The 3 - inch cat - back single - side design with mandrel - bent tubing ensures a smooth exhaust flow.