The Peterbilt 389 Hood Extension Panels are a practical and beneficial addition to your truck. With a width of 4 inches and made from 304 stainless steel, these panels are available in various options to suit your needs. Whether you need a factory replacement, factory layover, wide replacement, or wide replacement notched, these panels are sold in pairs and fit most Peterbilt 389 makes and models. Enhance the functionality and style of your truck with these durable and versatile hood extension panels.