The Wingmaster Stainless Steel Peterbilt Urea Catalytic Cover Highlight - Lower is a practical and reliable product designed to enhance the performance of your Peterbilt 389. Made from high-quality stainless steel, this catalytic cover highlight offers durability and longevity. It fits most Peterbilt 389 makes and models, making it a versatile choice for truck owners. With its urea catalytic cover highlight, this product ensures efficient emissions control and contributes to a cleaner environment. Sold individually, this stainless steel cover highlight is a valuable addition to your truck's exhaust system.