2. The factory exhaust was a hindrance on the performance of the truck and needed to go. First, the head pipe was unbolted from the end of the Y-pipe. After lubing up the rubber hangers with WD-40, a crowbar was used to pry the exhaust from the grip of the hangers. For easier removal, the exhaust pipe was cut just behind the muffler with a Sawzall. Finally, the factory system could be lowered from the truck and discarded.