High-performance exhaust system for enhanced power and aggressive sound.
The Flowmaster American Thunder Cat-back system is engineered for performance enthusiasts seeking a significant upgrade to their vehicle's exhaust system. This system is designed to mount behind factory catalytic converters or most OEM-style aftermarket H-pipes, ensuring compatibility with a wide range of vehicles. Constructed from high-quality stainless steel, the mandrel-bent pipes optimize exhaust flow, contributing to improved throttle response and overall power output.
Featuring Super 44 series mufflers, the American Thunder system produces an aggressive sound both inside and outside the vehicle, catering to those who desire a bold auditory experience. The dual exhaust configuration with a rear exit enhances the vehicle's aesthetic while providing a robust performance boost. Additionally, the system is designed for an easy fit, making installation straightforward for those with modified suspensions.
With patented Delta Flow technology, this exhaust system not only enhances sound but also improves fuel mileage, making it a practical choice for performance-driven drivers. The inclusion of stainless steel tips and the overall durable construction ensure longevity and resistance to corrosion, making this system a reliable addition to any performance vehicle.
Features
- Fits With Most Modified Suspensions
- Patented Delta Flow Technology
- Improved Throttle Response, Power And Mileage
- Designed For An Easy Fit
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 817574
- Type: Cat-Back
- Exhaust Type: Dual
- Outlet Type: Dual
- Exit Position: Driver And Passenger Rear
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Aggressive
- Diameter (IN): 2-1/2 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 2-1/2 Inch Round Angle-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 2
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Single Outlet
- Muffler Brand: Super 44 Series
- Includes Hardware: Yes
- Required Welding: Yes
- Estimated Install Time (Hours): 2
Compatibility / Fit
- 1986-1998 Ford Mustang
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
Skip to content

