The Wingmaster Stainless Steel Peterbilt Urea Catalytic Cover Highlight for the sides is a practical and beneficial product. Sold in pairs, it fits most Peterbilt 389 makes and models. This urea catalytic cover highlight enhances the appearance of your truck while providing protection. Made from high-quality stainless steel, it ensures durability and long-lasting performance. Upgrade your Peterbilt with this sleek and functional accessory that adds a touch of style to your vehicle.