Vibrant Performance Truck/SUV exhaust tips are made of 304 Stainless Steel for optimum corrosion resistance. Vibrant Performance Truck/SUV tips range from 11 in. to 20 in. long and are available in outlet diameters that range from 3 in. to 4 in. and inlet diameters that range from 2.25 in. to 3 in.. Both rolled edge and keen edge designs are available.