Flowmaster American Thunder Crossmember-Back Exhaust for 1967-1972 Ford F-100/F-250/F-350 - 817938

The Flowmaster American Thunder Crossmember-Back Exhaust System, part number 817938, is designed for 1967-1972 Ford F-100, F-250, and F-350 2WD trucks with V8 engines and no side-mounted auxiliary fuel tank. Built from durable 409 stainless steel, this complete dual exhaust system features 2.5-inch mandrel-bent tubing, a built-in H-pipe crossover, and dual Super 44 Series mufflers for a deep, classic muscle-truck sound with an aggressive to moderate tone. Three available tailpipe configurations let you choose the exhaust appearance and exit location that best suits the truck.

Key Features & Specs:

• Series: Flowmaster American Thunder
• Type: Crossmember-back dual exhaust system
• Vehicle Compatibility: Ford F-100 / F-250 / F-350
• Engine Compatibility: V8
• Drivetrain: 2WD
• Bed Compatibility: Short and long wheelbase trucks
• Fuel Tank Requirement: For trucks without a side-mounted auxiliary fuel tank
• Material: 409 stainless steel
• Tubing Diameter: 2.5-inch
• Tubing Construction: Mandrel-bent stainless steel
• Mufflers: Dual Flowmaster Super 44 Series
• Muffler Design: Chambered / reflection-style
• Crossover: Built-in H-pipe
• Sound Level: Aggressive to moderate
• Exit Options: Dual rear, dual side behind rear tires, or dumped behind rear tires
• Tailpipe Diameter: Dual 2.5-inch
• Installation: Includes new hangers and required mounting hardware
• Part Number: 817938
• Warranty: Flowmaster Lifetime Limited Warranty

Fitment:

Fits applicable 1967-1972 Ford 2WD V8 trucks without a side-mounted auxiliary fuel tank.

• 1967-1972 Ford F-100
• 1967-1972 Ford F-250
• 1967-1972 Ford F-350

Fits both short and long wheelbase configurations.