Flowmaster American Thunder Exhaust System Kit (MPN: 817129)

Experience the aggressive Flowmaster sound with enhanced performance.

The Flowmaster American Thunder Exhaust System Kit is designed to provide a powerful and aggressive exhaust tone while enhancing vehicle performance. Constructed from mandrel bent 16 gauge 409 stainless steel tubing, this header-back system ensures durability and longevity. The dual exhaust configuration connects after the factory catalytic converter, allowing for optimal exhaust flow and sound quality.

This system features a 2-1/2 inch pipe diameter and includes two mufflers, specifically the Super 44 Series, which are dyno tuned for maximum performance. The exhaust exits at the rear, providing a clean and aggressive look without the need for exhaust tips. With an estimated installation time of just two hours and no required welding, this exhaust system is designed for easy installation while delivering the renowned Flowmaster sound that enthusiasts seek.

Features

• Mandrel Bent 16 Gauge 409 Stainless Steel Tubing
• Aggressive And Powerful Exterior Exhaust Tone
• Connects After Factory Catalytic Converter
• Dyno Tuned For Maximum Performance

Specifications

• Manufacturer: Flowmaster
• Manufacturer Part Number: 817129
• Type: Header-Back
• Exhaust Type: Dual
• Outlet Type: Dual
• Exit Position: Driver And Passenger Rear
• Material: Stainless Steel
• Includes Muffler: Yes
• Sound Level: Aggressive/ Moderate
• Diameter (IN): 2-1/2 Inch
• Includes Exhaust Tip: No
• Exhaust Tip Style: Without Tip
• Exhaust Tip Material: Without Tip
• Muffler Quantity: 2
• Includes Exhaust Pipe Muffler Delete: Yes
• Muffler Configuration: Single Inlet/ Single Outlet
• Muffler Brand: Super 44 Series
• Includes Hardware: Yes
• Required Welding: No
• Estimated Install Time (Hours): 2

Compatibility / Fit

• 1967-1968 Chevrolet Camaro
• 1967-1968 Pontiac Firebird

Technical Documents

• 817129_Instructions_rev1.pdf
• fm_warranty_general.pdf