Steps sold
I also have a h2 air horn with built in compressor that goes under hood. I'll get pictures up tomorrow. It needs a solenoid, tank is fine and holds air. Comes with instructions and air hose to air tires up.. Realwheels product # rw502-1
Here is link:
http://www.somo.com/H2-Air-Horns-p/rw502-1-a0102.htm