s14 ls1

So i was looking around and i was wondering what ls cast iron headers will fit on my s14? im trying to go stock everything and try to make my ls smog legal in cali. yea i know alot will say you cant blah blah blah but if you do your research you would know you can but i wanted to know what ls cast iron exhaust manifold will fit in my car and i also wanna know if anyone knows how to run oem nissan vapor cansiter with a ls1 motor? thanks.