The Peterbilt 357/378 Elbows, Piping & Comp. product lineup features a wide variety of exhaust system components and accessories designed specifically for Peterbilt trucks, including long drop elbows, Y-pipes, reducers, and turbo piping. These parts are made to provide a custom fit and durable performance for Peterbilt 357, 378, 379, 388, and 389 models. Key features and benefits of this product lineup include: - Extensive selection of exhaust system parts in various sizes and configurations to fit multiple Peterbilt models - High-quality materials like stainless steel and aluminized steel for corrosion resistance and long-lasting durability - Convenient kits with all necessary hardware for easy installation of elbows, Y-pipes, and other components - Unique design elements like tapered tops and chrome finishes to enhance the appearance of the truck - Compatibility with both stock and custom exhaust setups, allowing for customization and personalization This product lineup caters to Peterbilt owners and enthusiasts who want to upgrade, replace, or customize the exhaust system on their trucks. The wide range of products and flexibility to fit various models make it a popular destination for Peterbilt parts and accessories.