Vibrant 4.0in O.D. Titanium Pie Cuts - Bag of 6Vibrant Performance Titanium Pie Cuts are manufactured entirely from CP1 Grade Titanium for the utmost in strength, low weight and durability. Available in tight and loose radius applications. *Pie Cuts sold unwelded. Titanium Pie Cuts; 4 in. Tube OD; 3. 25 in. Centerline Radius; 15 Deg. Bend Angle; CP1 Titanium; 0. 039 in. Wall Thickness; 9 Pcs. 90 Degree Elbow;