GMC Sierra 2007 GMC Sierra 2007, 4x4. Mileage: 428,000 km. Equipped with a 40,000 BTU transmission cooler, full body kit (trunk and exhaust outlet), new generation bolt-on, Y-pipe, and rear connection, all installed by "Blur Cat". Headers are from "HYBRIDFLOW". Features laser spark plugs, ceramic spark plug wires, catch can, hood lights, a fishing rod in the bed, and a differential locker for "Al-Mubt Al-Saraya". Engine recently serviced. Body: I repainted the hood and the roof (it had peeling paint, I repainted it for inspection). The rest is original, with the usual minor scratches.