Power up your trucking with the International 4700-4900 DPF & Mufflers category. This comprehensive selection of high-flow mufflers, quiet performance mufflers, and internal muffler pipes offers the perfect solution for optimizing your semi-truck's exhaust system. Featuring durable aluminized steel construction and a variety of size options, these mufflers deliver improved airflow and reduced noise levels to keep your ride smooth and efficient. Whether you're seeking a 10-inch high-flow muffler or a 6-inch internal muffler pipe, this category covers you.