For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides DOR/DOS systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage.
Mandrel Bent 16 Gauge 409 Stainless Steel Tubing
Moderate Exterior Exhaust Tone
Improved Throttle Response, Power And Mileage
Connects After Factory Catalytic Converter
Dyno Tuned For Maximum Performance
Limited Lifetime Warranty