1977-1979 Ford F-150 Header Back Exhaust System Hooker 16561HKR hoods These mufflers utilize the same

These mufflers utilize the same patented Delta Flow® technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance

High Temperature Ceramic Coating

Overall Length: 5

HOOKER recommends using a cast-iron exhaust manifold or an old header to break in new engines to avoid coating damage

Steel - TIN0013OM

1977-1979 Ford F-150 Header Back Exhaust System Hooker 16561HKR hoods These mufflers utilize the sameOverview Designed to fit Hooker Competition header, manifold or catalytic converter back applications. Cat Back kits install behind the converter and all other applicable emission control devices. Features Reducer Flex Tubes Reduces Backpressure Improves Engine Efficiency Hardware Included Instructions Included Application Specs Brand Hooker Emission Code 4 Exhaust Series Hooker Material Aluminized Steel Muffler Type None Product Type Exhaust System