F-Series 1973–1979 Dual 2.5 in Cat-Back Exhaust System M25NVFF73792XFFXNT00201C

This dual exhaust system includes 2.5-inch outside-diameter mandrel-bent aluminized tail pipes and Flowmaster Flow FX stainless mufflers. The pipes exit below the rear bumper corners. Hardware is included, and the system is described as installable with basic hand tools; custom applications may require additional parts or fabrication. Intended for 1973–1979 F-Series applications.