It is a vacuum hose. It is necessary. You can use a piece of rubber hose to fix it, just cut out the cracked area and use the rubber hose to connect the two sides or just get a new one from jeep.
I know a lot of things, most of them are only correct in my own head...
Better to be judged by twelve then carried by six. I'm sure this is going to get me in trouble down the line
2000 sport, 5speed, 1-1/4 body lift, 3" zone, metal cloak front fenders, metal cloak control arms, 4.88, 35" cooper stt.