Upgrade your Subaru WRX or WRX STI’s crankcase ventilation system with the IAG Performance V3 Street Series Air Oil Separator (AOS) Replacement Hose Line & Hardware Install Kit. Designed specifically for 2006-2007 WRX and 2004-2007 WRX STI models, this kit provides all the essential hoses, lines, and hardware needed for a seamless installation or replacement. It’s a perfect solution to maintain optimal engine performance and reduce oil vapor buildup.

This kit includes every hose and hardware component originally supplied with the IAG V3 Street Series AOS (PN# IAG-ENG-7180), ensuring compatibility and durability. Please note, the upper Street Series breather fitting is not included. The kit is also compatible with the V2 AOS models, making it versatile for Subaru enthusiasts upgrading or maintaining their setups.

Ideal for Subaru performance enthusiasts seeking reliable OEM-quality replacement parts, this kit supports long-term engine health and efficiency. Shop this essential AOS hose and hardware kit at Subimods and keep your WRX or STI running clean and strong.