Vibrant Performance Female V-Band Flange for 4.00" OD Tubing Notes: Exhaust Flange V-Band style Female Flange 4.00 in Pipe/Tube Diameter 4.63 in. Flange Diameter CP2 Titanium Upgrade your exhaust system with the Vibrant Female V-Band Flange, designed specifically for 4.00" OD tubings. Made from CP2 titanium, this high-performance flange offers durability and reliability, perfect for high-performance vehicles. With a pipe/tube diameter of 4.63 inches, it provides a secure and leak-free seal for optimal exhaust flow.