2.5 Inch V-Band Clamp + Flange Stainless Steel CNC Billet 2.5" V-Band Clamp + 2.5" I.D. Flange ( One Flange ) Both Clamp and Flanges are 304 Stainless Steel, CNC Billet Flange, Excellent Quality and Professional Look This kit is for turbo exhaust or catback system, Fits 2.5" OD Pipes