"RoadWorks Exhaust Stacks are the best in the industry! Featuring a superb shine, backed by a 3-year warranty, these premium exhaust stacks come in 5"", 6"", 7"", and 8"" diameters, and six tip styles to suit any taste. Top pipes are available in multiple lengths up to 120"" for the perfect fit, finish, and style. RoadWorks offers premium style, unmatched reliability, and a readily available selection of chrome-plated stacks, elbows, clamps, and kits to bring your custom truck to life. | RoadWorks Peterbilt Factory Style 60 Degree Elbow Exhaust Kit Hoosier Tip 8"" Diameter 114"" Tall KITPB28H114"