Flowmaster American Thunder Header-Back Exhaust System - 2-1/2 in Tailpipe - Ford Fullsize Truck 1967-72 PPM Racing Products great performing set of headers

great performing set of headers for the popular LS engine swap

Stock external dimensions and hose location

Clamp is drilled and tapped 1/2'' 13 on a 5'' and 6'' bolt center spacing

installs into any 1/8" NPT gauge port

Soft Loop Ring

Flowmaster American Thunder Header-Back Exhaust System - 2-1/2 in Tailpipe - Ford Fullsize Truck 1967-72 PPM Racing Products great performing set of headersFits Both Long And Short WheelbasesDoes Not Fit Trucks with Side Mounted Auxiliary Fuel Tanks. Connector Pipes Not Included 2. 5 Inch Mandrel Bent Tubing Improves Exhaust Flow for Better Performance Super 44 Series Mufflers Give You a Deep, Classic Muscle Truck Sound H Pipe Style Crossover Pipe Improves Performance and Reduces Interior Sound Includes all Necessary Hangers and Hardware for an at Home Installation 409 Stainless Steel adds Corrosion