The AP Exhaust 700367 Exhaust Muffler is engineered to provide a direct-fit replacement for specific Ford Super Duty models, ensuring seamless integration and optimal performance. Constructed from 100% aluminized steel, this muffler offers enhanced durability and resistance to corrosion, extending its service life and maintaining exhaust system integrity. Designed to replicate original equipment specifications, it delivers OE-comparable sound levels and back-pressure performance, contributing to engine efficiency and fuel economy. The muffler's baffled design effectively reduces noise while maintaining exhaust flow, addressing common operational challenges associated with worn or damaged mufflers. Its thick, expandable necks facilitate easy sizing, simplifying installation and reducing labor time. This product is compatible with 1999-2004 Ford F-250 and F-350 Super Duty models, both RWD and 4WD configurations, equipped with 5.4L V8, 6.0L V8, or 6.8L V10 engines. By choosing the AP Exhaust 700367 Exhaust Muffler, fleet operators can ensure their vehicles meet emission standards, operate efficiently, and maintain a comfortable noise level, thereby enhancing overall fleet performance and reliability.