AFE 49-38098-P Vulcan Cat-Back Exhaust System (w/Polished Tips) for 21-24 Jeep Wrangler Rubicon 6.4L 392. This exhaust system features large 3-inch to 2-1/2-inch mandrel-bent 304 stainless steel tubing, ensuring smooth and unrestricted exhaust flow. The high-flow transverse muffler produces a powerfully aggressive sound that enhances performance and adds an edge to your vehicle's tone. The system is finished with quad 4-inch polished 304 stainless steel clamp-on tips, providing a sleek and polished look to match the boosted performance.