The Sterling Acterra Univ Elbows-Piping product lineup includes a wide variety of semi-truck exhaust pipes, elbows, adapters, and reducers. This product lineup offers a comprehensive selection of aluminized steel and chrome-plated exhaust components to meet the needs of semi-truck owners and mechanics. Key features of this product lineup include: - High-quality aluminized steel construction for durability and corrosion resistance - A range of sizes, angles, and flange diameters to fit various semi-truck models and engine configurations - Reducer fittings to transition between different exhaust pipe sizes - Elbows with 30, 45, 60, and 90-degree angles to accommodate custom routing needs - Universal y-pipe assemblies that allow for easy installation and customization Whether you're repairing an existing exhaust system or upgrading to improve performance and appearance, the Sterling Acterra Univ Elbows-Piping product lineup has the right components to get the job done. These parts are ideal for semi-truck owners looking to enhance their vehicle's look, sound, and functionality.