Peterbilt 357/378 Fairing & Steps: Elevate the Look and Performance of Your Semi Truck The Peterbilt 357/378 series is a workhorse of the trucking industry, known for its rugged durability and impressive capabilities. This product lineup of products focuses on enhancing the functionality and appearance of your Peterbilt with a variety of fairing and step accessories. From sleek fiberglass fairings that streamline airflow to sturdy replacement steps, these parts help optimize your truck's aerodynamics and provide safer, more convenient access. Whether you're looking to upgrade the look of your rig or improve its fuel efficiency, the wide selection of Peterbilt 357/378 fairings and steps has something to meet your needs. Elevate the performance and style of your semi with these high-quality components designed to keep you rolling strong, mile after mile.