It's looking pretty close to the Bower's setup now, except your using a Sanden compressor.
Let me know how that adapter works out to use the Sanden Compressor...maybe something similar would work on my Bower's bracket.
From your picture, it looks like you will need to turn your compressor to keep the fittings from interfering with the hood (if it doesn't interfere, IMHO it would still look better to exit from the bottom). If you can't turn it, maybe you could use a rear exit design.