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One way is to install a metal can type fuel filter (3/8 ?) with the mounting bracket horizontally on the rear cross member and run a piece of fuel line hose from the diff vent to one end of the filter.
I reused the original one but had to relocate it because of fitment issues with the Shockwave 9000 suspension. I hadn't considered getting a different vent yet.
That vent also attaches the distribution block to the differential for the rear brake lines.