MBRP Universal 3.5in - 45 Deg Bend 12in Legs Aluminized Steel (NO DROPSHIP)MBRP Universal 3. 5in 45 Deg Bend 12in Legs Aluminized Steel (NO DROPSHIP) For those many enthusiasts who have come to rely on our specialty Garage parts diesel components here they are. Built from a 16 gauge aluminized steel they are fully coated; including the seams; for an exhaust system that you can count on to last. Weld on the hangers as your wish and you are ready to go. Garage Parts Installer Series Smooth Mandrel Bend Pipe; 3. 5 in. Diameter;