Vibrant Performance offers a variety of turbo outlet flanges for your custom fabrication projects. Constructed from 304 stainless steel and mild steel, Vibrant flanges are precision laser-cut or CNC-machined to ensure a perfect fit to your turbo components. For Precision Turbo CAE 5 and CAE 6 series 90mm O.D. V-Band Flange, 77mm diameter mating ring (suits 3" O.D. tubing).