The STM Evo X recirculated O2 housing downpipe combo is the perfect bolt-on addition to your 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: 2008-2015 Mitsubishi Evolution X Features & Specs: • Recirculated • Hand Fabricated • Tig-Welded • Back-Purged • Full Stainless Steel • 3" 2-Bolt Exhaust Flange • CNC Flanges • O2 Bung • Gaskets and Hardware Included • Bolts to Factory Cat or Stock-Placement Race Pipe Includes: (1) STM Downpipe (1) STM Stainless O2 Housing to Downpipe Gasket (1) 3" 2-Bolt Remflex Gasket (2) M10 x 35 Bolts (3) M10 Flat Washers (3) M10 Nuts (1) M10 x 40 (1) M10 Lock Washers Shipping Times: 1-14 Days Hand crafted and welded in New York, please give our fabricators time to assemble your piece!