Enhance your heavy-duty hauling with the International WorkStar DPF & Mufflers category. These high-quality exhaust components are designed for durability and performance. Featuring aluminized steel mufflers, pipes, and chrome-finished resonators, this selection offers options to customize your truck's look and sound. Whether replacing old parts or upgrading your WorkStar's style, this category has what you need to boost efficiency and confidently tackle tough jobs.