 While the original brake lines to the front wheels are retained when a vehicle is expanded into a limousine, he said, it is necessary to extend those that reach the rear wheels.For that reason, the extended lines are usually made of steel to avoid any risk of obstruction or constriction.Vehicles such as the Excursion used by Prestige are associated in the industry with "third-tier guys" based in smaller cities, Figueroa said.