2.5 Outside Diameter (OD). Average Leg Length = 5 1/2.Professional installation is highly recommended. Installation should depend on the inside diameter and outside size. 4x 180 Degree U Bend Piping. 4x 90° Degree Right Angle Piping. 4x Straight Piping (4 Feet Each). The item "2.5 Stainless Steel T304 DIY Custom Mandrel Exhaust Pipe Straight&Bend Kit 16PC" is in sale since Saturday, November 28, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Pipes & Tips". The seller is "lucksports-mall" and is located in CA, NJ,IL,MO,GA. This item can be shipped to United States.