This 60-inch tall flat top stack is chrome plated and has a 6-inch to 5-inch inside diameter. It is 60 inches long and features an expanded/slotted end flat top stack. This product is chrome plated and fits most makes and models. It is practical and versatile, offering a reduced inside diameter for a snug fit. With its durable chrome plating and universal compatibility, this stack is a reliable choice for any vehicle.