2015+ STI AOS

GRIMMSPEED AIR OIL SEPERATOR - 04-21 STI, 02-07 WRX, 04-08 FXT
From $388.99 CAD

PERRIN AIR OIL SEPERATOR - WITH TMIC - 08-14 WRX, 08-20 STI
From $658.99 CAD

On sale
Radium Engineering Air Oil Separator Kit - 08-21 STI, 08-14 WRX, 09-13 FXT
$549.99 CAD
$561.62 CAD

PERRIN AIR OIL SEPERATOR - WITH FMIC - 02-14 WRX, 04-20 STI
From $658.99 CAD