Vibrant 45 Degree Vertical Plane Oval 304SS Pie Cuts Nominal Tube 3.50inVibrant Performance Oval and Round Pie Cuts allow you to make custom bends in your exhaust pipe setup. Available to fabricate 45 and 90 degree elbows, our Oval Pie Cuts are offered in sizes ranging from 2. 5 in. to 4 in. OD in both horizontal and vertical plane bends. Stainless Steel Pie Cuts; 3. 5 in. Nominal Tube Size; 81. 2mm Centerline Radius; Vertical Plane; 9 Deg. Bend Angle; 5 Pack; 304 Stainless Steel; Oval;