2014 Peace, mercy, and blessings of God be upon you. For sale: Original Fox electronic cat-back exhaust system, 3 inches, with its device. الحمد لله (Praise be to God), it has no issues. Additionally, a cat-delete pipe that connects directly to the cat-back system. It fits Sierra and Silverado models from 2014 and above. The highest offer received is 1300.