That is a line that goes to the power steering pump. If the leak is coming from the line, it means there is a hole, tear, or other issue with that line, and under pressure it is leaking. It will need to be replaced. Cant be repaired, has to be replaced.
5Zigen 19x8 Pro Racers-Falken F452 245/35/19 Tires-Eibach Sportline Springs
S5 Grille-20% Tint-M3 Window lip Spoiler-LED Cluster/Switches-TWM Weighted Shift Knob
C-man Headers-C-man 3" Y-Pipe-Magnaflow Exhaust-PNP'd Heads w/Ferra Valves-RevUp Oil Pump-Pulley-JWT C9 Cams-Haltech Platinum ECU-Fujita5 CAI-Weisco Pistons-ARP Head Studs
Kenwood DNX-9140-ZED Leviathan-Focal Speakers-Sound Deadened-XBox-270Amp Alt