The Grand Rock W900A 1982 & Older Kenworth 7 Inch Reduced to 5 Inch(Right) - Sold Each is a replacement exhaust part designed specifically for W900A 1982 & older Kenworth models. This product is engineered to reduce the 7-inch exhaust to a 5-inch size, ensuring a perfect fit and optimal performance. With its durable construction and precise design, this exhaust part offers a practical solution for maintaining and upgrading your vehicle's exhaust system. Upgrade your Kenworth with this high-quality replacement part for improved functionality and performance.