Down pipe flange For K04 S4 RS4 & 2,7 L Biturbo New Fits For Audi 2.7T Bi-turbo engine stock turbo exit on . Ovalized 3" opening. This flange is required for the construction of a bifurcated pipe at the K04 turbo made of 9mm stainless steel super quality! Mounting holes 11,5 mm The center hole einspricht within the scope of a hole with a diameter of 76mm Kit includes 1PC Turbo Outlet Gasket Band New! High Quality Note: Please double check your turbo oil feed thread before you order this kit. For any inquiries or special requests such as larger amount ordering please write to us ** IMPORTANT INFORMATION ** Please double check the item size in our photo and description, if you bought the wrong size, we'll not responsible for the mistake, please kindly be noted, thanks. Minor modifications or adjustments maybe needed for some of our products. All items are Brand New unless stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. Professional Installer Is Highly Recommend, No Installation Instruction Included.YiPin