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Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Fits 1967-1972 Ford F-100/250/350 V8 With Side Tank, 2WD Long Bed Only, 2.5" 409 Stainless Steel, Dual Exit
Flowmaster American Thunder Crossmember-Back Exhaust System
H-Pipe Style Crossover Pipe Improves Performance and Reduces Interior Sound
2.5-Inch Mandrel Bent Tubing Improves Exhaust Flow for Better Performance
Includes all Necessary Hangers and Hardware for an at Home Installation
Super 44 Series Mufflers Give You a Deep, Classic Muscle Truck Sound
3 Exit Options Allow You to Customize the Look of Your Truck
409 Stainless Steel adds Corrosion Resistance and Durability
Backed by Flowmaster’s Lifetime Limited Warranty
Connector pipes for factory manifolds or headers are not included.
Flowmaster 67-72 Ford F100 American Thunder Cat-Back Exhaust System - (wide Tank)
6772 FORD F100 WSIDE TANK DORS AMT
SYS 67-72 FORD F100
This American Thunder exhaust system is specifically designed for 1967-1972 Ford F-100/F-250/F-350 2-wheel drive long bed V8 trucks with a side mounted auxiliary fuel tank. The system is perfect for the person looking for an aggressive to moderate exterior and interior sound level. Starting after a set of factory manifolds or headers, this exhaust system comes complete with a built-in H-pipe crossover and all mandrel-bent 2.50-inch 409 stainless steel tubing that helps maximize the flow of the exhaust pulses for better performance and the added durability of stainless steel. The Super 44 Series performance mufflers will give any V8 a deep rumble with that classic Flowmaster tone. This system comes with your choice of three tailpipe exits, straight out the rear, side exit behind each rear tire, or dumped behind the rear tires. The system includes all hardware necessary for an at home installation. This exhaust system is covered by our Lifetime Limited Warranty. Fits long bed trucks only.
SYS 67-72 FO
