Catback Stainless with Y and two outlets and vacuum device - the muffler device and with it two remotes. It was installed on a 2025 GMS Sierra. ## Fits 2019, 2020, 2021, 2022, 2023, 2024, and 2025 GMS Sierra. Oway + Catback Stainless, used for about a month. Price 2400 including installation + one month warranty on the catback.