2020+ Mustang GT500 5.2L 304 SS 3" Catback Dual Exhaust with H-pipe. This system features dual-mode mufflers with a 3" valve assembly, with straight-through "Sport" mode and chambered "Normal" mode. This is a quad-tip exhaust, exiting through our 5" slash-cut conical double wall polished tips. Includes hangers and clamps and mates to the factory connection point. This Catback system features our classic Legend sound level.