These billet flanges are a premium top of the line turbo flange. When you want the best, you choose these flanges. These flanges make dividing crossover piping as simple, quality, and durable as possible. No long joint welds to crack or pull away from each other, just simple joint weld at the flange. In addition to easy fabrication, these fully CNC 1/2" thickness 304SS flanges maximize flow and save you time from blending welds/and transitions. These allow you to overall maximize your divided flange turbo performance. This piece is a dual 2.25" Divided Inlet T4 flange. Overall height is 1.5" and flange surface thickness is 0.5"