The long loopy metal line is high presure..I thought same thing as you..I tried cutting out rusted part the making splice 3 clamps on each end even used braided fuel injection hose..Blew off as soon as I turned wheel,The loopy metal piece conects to the rubber hose..I have spliced bypass hoses on 90's chevy pickup's with no problems...but this one was tough..save the fittings..the ones at the auto parts store are not the same Tony B