i dont have a whole lot of boost in mind...probably circa 10 pounds...I found this cast iron manifold that looks pretty good.

http://cgi.ebay.com/ebaymotors/NISSA...spagenameZWDVW

Yo tyler hows it goin man? yea after that night i researched a lil bit on the ss auto chrome manifold but unfortunately i couldnt find thier listing on ebay anymore. but i did find this well priced cast iron manifold for pretty cheap.