IAG Performance Air/Oil Separator (AOS) Competition To Street Conversion Kit - Subaru STI 04-20, WRX 06-14 Up Pipe Provides an aggressive exhaust note

Provides an aggressive exhaust note

MONO SPORT offers the finest and most comfortable ride feel that makes even a long-distance driving seem like a breeze

Doing this allows us to reduce the weight on the wheel without sacrificing rigidity

The gaskets include a proprietary four step coating process after embossing which features a silicone coat for improved sealing properties

IAG Performance Air/Oil Separator (AOS) Competition To Street Conversion Kit - Subaru STI 04-20, WRX 06-14 Up Pipe Provides an aggressive exhaust noteAG Performance Air Oil Separator Competition to Street Series Conversion Kit. This particular kit has been designed to switch the upper breather portion of the Competition Series AOS to the Street Series AOS. Details: (1) IAG Street Series Air Oil Separator upper breather port (1) Upper breather port O ring (1) M4 x 8mm socket head screw (1) 1 2" hose that is 39" in length (1) 3 8" hose that is 27" in length with PCV valve and breather fitting (1) 1