Vibrant Performance wastegate flanges allow you to fit a specific wastegate or adapt one wastegate to another. They're precision laser-cut or CNC-machined to ensure a perfect fit to your turbo manifold. Available in mild steel, stainless steel, and titanium. For Wastegate Adapter Flange Transitions from Tial 35-38mm WG (2-Bolt) to Tial 44mm WG (V-Band)