SIZE: Outside Diameter: 2.25 Inch, Bending Angle: Straight/45/90/180 Degree MATERIAL: Made of high quality mild steel with computerized mandrel-bends for strength and durability PACKAGE INCLUDES: 2x47.3" Straight Pipes, 2x90 Degree Pipes, 2x45 Degree Pipes, 2x180 Degree U-Bends DESIGN: The exhaust Pipes can cutting, welding to any length that you need. All pipes have flared ends for easy slip-on installation APPLICATIONS: Widely used in exhaust systems or industrial materials, professional installation is recommended Autarboor 2.25 Inch Mild Steel DIY Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kit, Universal Fit - 8 PCS