This cat-back exhaust system is constructed of 2-1/4 IN - 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4-1/2 IN diameter polished 304 stainless steel exhaust tips. The tips features a laser etched aFe POWER logo for a unique style. This system produces an aggressive sound unleashing all available horsepower and torque. Utilizing factory style flanges and this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. This system features a high-flow high-temperature metallic black muffler, producing a powerful sound. The muffler has a high-temperature metallic black finish for ultimate corrosion resistance. The stainless steel muffler features an integrated x-pipe to balance and evenly distribute exhaust pulses traveling through the exhaust system, minimizing exhaust drone and maximizing scavenging. This system incorporates factory style exhaust valves that integrate with the factory exhaust controls. The valves help direct and control the flow of exhaust gases by opening or closing passageways for maximum performance. State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. 100% TIG-Welded for race-proven strength and durability. MACH Force-Xp 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust w/ Polished Tip Porsche Cayman GT4 20-22 H6-4.0L Porsche Cayman GT4 20-22 H6-4.0L Fitment: 2020 Porsche 718 Cayman GT4 2021 Porsche 718 Cayman GT4 2022 Porsche 718 Cayman GT4