Perrin Afta-Maf Hose Black Subaru WRX / STI 2002-2007 | PSP-INT-350BK vendor_Forge Motorsports Includes bushings

Includes bushings

This keeps the AOS warm and prevents water from condensing inside

but upgrading to a billet aluminum unit not only improves durability over time but also adds a clean

The main difference is that an AOS system returns collected oil back into the oil pan so there is no servicing required

users will re-use their OE upper mounts to complete installation

Perrin Afta-Maf Hose Black Subaru WRX / STI 2002-2007 | PSP-INT-350BK vendor_Forge Motorsports Includes bushingsFitment Information: 2002 2007 Subaru WRX 2004 2007 Subaru STI Features: 5 ply silicone construction black Smooth interior walls increase airflow for better performance Improves acceleration Reduces turbo lag Easy Installation Estimated Installation Time 10 Minutes Installation Instructions No tuning required In the Box: (1) PERRIN Afta MAF Intake Tube (2) Clamps Warranty & Instructions Perrin's Afta MAF hose replaces the stock corrugated rubber hose