I see what you're talking about...I'm not sure those are a/c lines. The metal elbow looks it, but I don't think there's any rubber hosing in the a/c system. That may be the oil lines or coolant related lines...
I'm not sure....hmmmm
Guys?
doesn't a header wrap keep heat in, not deflect heat?
I think the hose is the return line from the evaporator back to the A/C compressor. I wouldn't worry too much about it unless it was physically touching the turbo or was close to the turbine ('hot') side. Any further heat the refrigerant picks up here will be removed when it passes through the condenser.