The Paccar 7 Inch OD Reduced To 5 Inch ID 36 Inch Long Chrome Replacement Top Stack is a practical and reliable product for Paccar models. With its 7-inch outer diameter reduced to 5 inches, it fits most Paccar models seamlessly. The 36-inch length and chrome finish add durability and a sleek look to your vehicle. Additionally, the ceramic lining helps prevent chrome discoloration, ensuring long-lasting quality. This replacement top stack is sold individually and offers the same OE inlet with a 5-inch reduction, making it a convenient and beneficial choice for Paccar owners.