Tanabe T70140 Medalion Touring Cat-Back Quad Tip Exhaust System for Subaru Impreza WRX STI 2008-2009 Special dual wall angle-cut tip Slim-line oval canister with high ground clearance Highest grade SUS304 construction Piping is straightest form and mandrel bent For weight reduction 1.2 millimeter thinwall piping, hallow exhaust hanger and pressed flanges are used