Z71 2013 Automatic Gasoline mileage: 142 KM GMC Sierra parts Headers. Sold Y-pipe Bullet muffler with device and remote. Sold Rocket outlets, corners. Sold Front and rear original shocks, clean New rear bumper bushings with box New lip with box Cups that fit diesels Z71 stickers Original stereo Coil spacers. Sold Location: Arar. Shipping available to all regions.