The Kenworth T300-T450 DPF & Mufflers product lineup features a wide range of exhaust and emissions components to keep your semi-truck running efficiently and in compliance. From aluminized steel mufflers and inserts to stainless steel diesel particulate filters, this collection has the critical replacement parts you need for your Kenworth engine. The mufflers come in a variety of sizes to fit different stack diameters, while the DPFs are designed as direct replacements for popular Cummins ISX engines. Whether you're looking to upgrade your semi's performance or simply maintain your current setup, this Kenworth product lineup has the top-quality parts and accessories to get the job done right.