Skip to content
Enhance performance and sound with this stainless steel exhaust kit.
The Flowmaster American Thunder axle-back exhaust system is engineered to improve both performance and sound for your vehicle. Utilizing a tuned 60 Series style muffler, this system delivers an aggressive to moderate exhaust tone while maximizing exhaust flow. The 3 inch mandrel bent 409 stainless steel tubing ensures durability and longevity, making it a reliable choice for automotive enthusiasts.
This exhaust system is designed for easy installation, featuring factory mounting locations and all necessary hardware included. The polished 3 inch stainless steel tip adds a custom aesthetic to the rear of the vehicle, enhancing its overall appearance. With maximum dyno gains of 19 horsepower and 19 pound-feet of torque measured at the rear wheels, this system is a practical upgrade for those seeking improved performance.
In addition to its performance benefits, the Flowmaster American Thunder system employs Delta Flow Technology to minimize drone while maintaining a deep, aggressive sound. This axle-back system is suitable for single exhaust configurations and is crafted from high-quality stainless steel, ensuring resistance to corrosion and wear.
Features
- Features 3 Inch Mandrel Bent 16 Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- Features 3 Inch Polished Stainless Steel Tips Add A Custom Look
- Delta Flow Technology Increases Performance
- A Tuned 60 Series Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow
- No Drone
- Features Complete Hardware And Factory Styled Hangers In The Stock Location For An Easy Installation
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 818121
- Type: Axle-Back
- Exhaust Type: Single
- Outlet Type: Single
- Exit Position: Passenger Side Rear
- Material: Stainless Steel
- Includes Muffler: Yes
- Sound Level: Aggressive/ Moderate
- Diameter (IN): 3 Inch
- Includes Exhaust Tip: Yes
- Exhaust Tip Style: 4-3/4 Inch Round Angle-Cut
- Exhaust Tip Material: Stainless Steel
- Muffler Quantity: 1
- Includes Exhaust Pipe Muffler Delete: No
- Muffler Configuration: Single Inlet/ Single Outlet
- Muffler Brand: A Tuned 60
- Includes Hardware: Yes
- Required Welding: No
- Estimated Install Time (Hours): 2
Compatibility / Fit
- 2021-2026 Ford Bronco
Technical Documents
Product Videos
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.
