Flowmaster American Thunder Single Exhaust System - 2004-08 Ford F-150/Lincoln Mark LT 4.6L/5.4L Delay Boxes & Components Replaces bad ECUs

Replaces bad ECUs

10 AN Female O-Ring Inlet / Outlet

REVERSIBLE - Can be mounted as a Pusher or a Puller with no airflow loss

Ford 4 Cylinder

CFT-KVehicle Applications: 1967 thru 1979 Buick Cars 6/8 CylindersVehicle Applications: 1967 thru 1979 Buick Cars 6/8 Cylinders

Flowmaster American Thunder Single Exhaust System - 2004-08 Ford F-150/Lincoln Mark LT 4.6L/5.4L Delay Boxes & Components Replaces bad ECUsFor the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat back exhaust system provides. D. O. R. D. O. S. systems are the perfect choice, and include exit pipes for both dual out rear and dual out side configurations so that you can choose the one that fits your style. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants