The Freightliner Classic DPF & Mufflers product lineup offers a wide range of high-quality exhaust components and diesel particulate filters (DPFs) designed to fit Freightliner Classic semi-trucks. This product lineup features a selection of top-performing mufflers, resonators, and DPFs from trusted brands like BESTfit and others. Whether you need a direct replacement or an upgrade, you'll find a variety of options to choose from in various sizes and materials like aluminized steel and stainless steel. The products in this product lineup are engineered to provide enhanced airflow, reduced backpressure, and improved emissions compliance for your Freightliner Classic. Upgrade your truck's exhaust system and get the best combination of power, efficiency, and longevity with the parts in the Freightliner Classic DPF & Mufflers product lineup.