Flowmaster introduces our American Thunder stainless steel cat-back exhaust system for the 2018-2023 Dodge Durango with the 6.4-liter engine. This system uses Super 44 series mufflers for an aggressive to moderate sound level and increased performance. Mandrel bent 3.00-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses larger 4.00-inch polished stainless steel tips for a custom look. This system also has tuned resonators to control interior sound and maintain driving comfort. Max dyno gains of 12 hp and 20 lb-ft at the rear wheels over stock. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
Features:
- Super 44 Series performance mufflers offer an aggressive to moderate sound level and increased performance
- 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
- Max dyno gains of 12 hp and 20 lb-ft at the wheels
- 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
- Includes all necessary hardware for an at home installation
- 4.00-inch polished stainless steel tips add a custom look to the vehicle
- Uses factory hanger locations for easy installation
- Tuned resonators help control interior sound levels for comfort
About Flowmaster
Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Submodel |
Years |
Engine |
| Dodge |
Durango |
SRT 392 |
2022 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT 392 |
2023 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT |
2018 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT |
2019 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT |
2020 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT |
2021 |
6.4L / 392 / V8 |
| Dodge |
Durango |
SRT |
2022 |
6.4L / 392 / V8 |
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