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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.