This 2.25 custom exhaust tubing mandrel bend pipe straight and U-bend kit is a perfect fit for your DIY project. The kit includes 16 pieces of mild steel pipes with a slip-fit flange type and a thickness of 18-gauge. The pipes come in a silver color and have a single exit with a single wall tip, making it easy to replace and improving the overall performance of your exhaust system. The kit is compatible with a variety of mounting styles, including weld-on, clamp-on, and bolt-on, and has a universal placement on vehicles, including the lower, rear, left, and right sides. The outlet diameter is 2.25 inches, and the inlet diameter is also 2.25 inches. The kit is a single wall tip type and is not a vintage part. The kit is a perfect fit for those looking for a high-quality performance part for their exhaust system. NEW Universal 2.25 Custom Exhaust Tubing Mandrel Bend Pipe Straight & U-Bend Kits 16Pcs DIY. Includes:The same as picture. 4 X 48 Straight Pipes. 4 X 90 Degree Pipes. 4 X 45 Degree Pipes. 4 X 180 Degree U-Bends. 2.25 OD Piping. 18 Gauge Wall Thickness. Slip Fit Joints to Provide Easiest Fabrication. Aggressive Deep and Smooth Tone Sound while Ensures Smooth Exhaust Gas Flow. Increase Engine Output and Efficiency. Dyno Proven to Instantly Increases 15 to 25 Horsepower or Low End Torque. Professional Installation is Highly Recommended. Installation Instruction is NOT Included.