The Lincoln 72 Inch Tall Bull Horn Top Stack is a practical and high-quality product that fits most makes and models. With a 6-inch to 5-inch inside diameter and an expanded and slotted end, it easily slides over a 5-inch OD elbow. Made with chrome plating and OEM quality, this 72-inch tall bull horn top stack is designed to last. Its versatility and durability make it a reliable choice for any vehicle.