Luckily for you, I'm helping one of my closest friends build his 325is.
The header your looking for is this one. We've done the research. This is definitely what you want, if you care about your exhaust.
http://www.iemotorsport.com/bmw/E30-exhaust/M20STG2.htmlIreland Engineering is the tits when it comes to e30 stuff.
This post was edited by OldAndyAndTheSea on May 1 2014 07:34pm