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 Marmon Style Flange for Garrett GT42 and GT45 with T6 Turbine Housing 146mm O.D. Beveled Flange (suits 4" O.D. Tubing).