Vibrant 1493F Stainless Steel V Band Flange Female For 4in. O.D. Tubing 3.5" and 4.0" Turbine Outlet V Band Flange AGP Turbo Vibrant Performance 4in O.D. Tubing Titanium Flange Assembly V Band V Band Flange 3 Inch Clamp Kit Male Female V Band Turbo Outlet Exhaust Vibrant 1494 V Band Flange Assembly for 5 Inch O.D. Tubing. Vibrant Performance individual v band flanges are constructed entirely from 304 stainless steel. They are available in diameters that support O. D. tubing ranging from 1. 5 to 5. Description: Female V Band Flange 3. 5" O. D. Tubing Material: Titanium Warranty: One Year Limited Warranty Part Specifications Tube Size: 3. 5" O. D. Flange O. D. 3. 78"