Parts & Accessories Spare parts Catback with Almuniz Y-pipe and FDR electronic muffler, second version. Pipe material: Almuniz Pipe size: 2.75 inches Catback size: 3 inches Exhaust muffler size: 3 inches. Comes with the original Vicom muffler device as shown in the picture. . There is a video of the work. Used for approximately two months, as can be seen from the appearance of the catback. Fits GMC Sierra 2019, 2020, and 2021. For models 2022, 2023, 2024, 2025, and 2026, it fits, but the outlet will be on the side. Price: 1700 Riyals.