The Harley-Davidson Shovelhead Slash-Cut Drag Pipes Exhaust Set is a bolt-on aftermarket accessory designed for street motorcycles. Made of steel with a silver color and chrome finish, this complete exhaust system includes a single muffler with a 4-inch outlet diameter. The pipes have a 2-inch inlet diameter and are easy to replace, making it a convenient upgrade for motorcycle enthusiasts looking to customize their exhaust system. With a noise level of 85 dB and a vintage part designation of no, this United States-made exhaust set is a stylish and functional addition to any Harley-Davidson Shovelhead motorcycle.