The STM Evo 7/8/9 O2 Housing Downpipe combo is the perfect bolt-on addition to your exhaust! Features a recirculated design to route the wastegate back through the exhaust. The all-in-one stainless steel design will eliminate extra hardware and flow smoothly straight through from the turbo utilizing the tapered CNC flange. All gaskets and necessary hardware are included for a clean install. Vehicle Fitment: 2001-2006 Mitsubishi Lancer Evolution VII VIII IX • Fits with OEM or factory-style turbo hotside Features: • Recirculated • Hand Fabricated • Tig-Welded • Back-Purged • 3" Stainless Steel • CNC Flanges • Gaskets and Hardware Included Includes: (1) STM Stainless Downpipe (1) STM Divided Turbo Outlet Gasket (STM-EVO-SSG-DTO) (1) 3" 2-Bolt Remflex Gasket (2) M10 x 35 Bolts (2) M10 Nuts (2) M10 Flat Washers Shipping Times: 1-14 Days Hand crafted and welded in New York, please give our fabricators time to assemble your piece!