The 72 Inch Left Diablo Top Stack with 7 Inch I.D. Plain Bottom is a high-quality, chrome-plated exhaust system that fits most makes and models. Sold individually, the plain bottom exhausts are measured by the inner diameter and are OEM quality. This product is practical and durable, making it an excellent choice for truck owners looking for a reliable exhaust system. Please note that this item ships oversize or freight. The manufacturer, Lincoln Chrome, offers a warranty for added peace of mind.