Its amazing how those 2 parts can mess up everything.
U did change the engine oil after swaping the CPI/nut kit, didn't u?
-As for that hose, i have no idea. i did not notice a hose randomly sticking out like that, lol. unless someone rigged a replacement vac line. I'll look at mine tomorrow and let u know.
-Also, where did u order the cpi from? it should have come complete, i know mine did, but since u got another one that was, send the other one back.
-Oh and the pics look exactly like mine except i had a busted regulator and a hole in the nut kit so both sides were clean. i can scan a pic if u like.
Hope everything works out for ya