I installed the exhaust first as the ups driver would not leave the programmer without a sig. so I had to set a time to meet him two days later. Anyway the truck ran fine just had the light on. When I installed the programmer do just as it say's turn every electronic thing you can off as it can lock up on you as mine did(forgot to unplug gps) and then you have to start over.
yes remove all the lines and fittings, the bolt up in the middle of the bed under neath of course and you can remove them as a whole assy. then but some plastic bags of the connectors and zip tie them up.
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