For sale: Antennas that were previously installed on a GMC Sierra. They also fit Tahoe and Yukon models from 2014-2018. Used, clean, and well-maintained, without any sputtering or pipe burning. Antenna DDR Carbon Fiber: 1900 SAR Headers and Speed 3.1.7.8 inch original "Y-pipes": 2800 SAR (The "Y-pipe" has a small thumb-sized dent that does not affect performance) Serious buyers will receive a video demonstrating this. Electronic "Cat-back" Borla, dual outlets (right side): 3000 SAR The antennas have not been welded, overheated, or leaked. Whoever buys them all will get a special price, and we will not disappoint them.