Originally Posted by ERL2011wrx
I've been debating on getting an air/oil separator myself. From what I've read the Crawford is the way to go but so far I haven't had any problems without one. I do drive the car pretty conservative.
Mods.. Invidia tbe, AEM intake, Forge bpv, Grimmspeed ebcs, Process West tmic, protune.
grimmspeed aos has been proven to be more than enough for most dd cars. tracked cars would be better with a crawford system.