I separated my Stebel horn from the compressor. My compressor is mounted next to the battery and a small piece of tubing is run up to the horn which is mounted in the stock location. I had to do some grinding to the horn and front valance but it was done EASILY with a dremel .. let me see if I can find some pics ..
Ready to install:
Compressor mounted next to battery:
Horn mounted stock location:
Valance back in place:
Hope this helps! Any information you need let me know!!