From the tank to 3-way collector is 5/16" (8mm). From the collector out of the trunk my old line reads Cavis Benz 7x12. Are people replacing this with 1/4" hose or ordering a special hose from some where? The exit from the trunk looks too small for 8mm line.
Cavis Benz 7x12 Vent Line

Exit from Trunk
