Polished Stainless Steel Exhaust Turbo DownPipe For 2011-2012 BMW E82 E88 E90 E92 N55 B30 Single Turbo Engine Fits: 2011-2012 BMW 135i & 335I N55 Single Turbo Engine Only Tig Welded & Mandrel Bent Stainless Steel Integrated O2 Sensor Plugs For Wideband Quality Product & Affordable Pricing. Everything Will Come EXACTLY As Shown In Picture Intended For Off-Road, Race/Competition Use Only