Nissan SR20 High Flow V-Band Exhaust ManifoldProduct Features: High Flow Manifold Series designed with larger runners and a larger turbine flange compared to our High Response Series Developed specifically for: Regions without access to ethanol blended fuels (such as Japan), where optimised flow efficiency is critical High power ethanol applications targeting in excess of 600hp High Flow 55mm ID turbine flange to suit Garrett, Precision and Turbosmart Single 44 45 46mm Wastegate Flange Mount