As a critical component to complete an aerodynamics package, the rear diffuser helps channel air flow out from under the vehicle. The purpose is to keep the air flow from building high pressure under the vehicle, which will cause lift.
CUSCO carries Subaru Genuine Rear Diffuser which was sold in Japan only and can be fit on US models (Impreza / Forester / Legacy) with following CUSCO parts.
These are designed to bolt onto factory locations and made from high impact injection molded plastic.
