2014 Peace, mercy, and blessings of God be upon you. For sale: Original Fox electronic catback 3 inches with its device, Alhamdulillah it has no issues. In addition, a hollow Y-pipe that connects directly to the catback. Fits Sierra and Silverado models from 2014 and up to 2018. * The Y-pipe has been sold, the catback remains. * The highest offer reached 1300.