Dont know what it costs, but the damn lines are big bucks from the dealer-. I would fab up some hoses-- if you can find fittings to the cooler. There is low pressure, so regular gas 3/8 hose should be OK.
Not recommend you by-pass the cooler.
Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets.--- Jerry