Description
Signature Sound. Pound out a rhythm with the American Thunder Cat-Back Exhaust System built by AmericanMuscle. This Flowmaster American Thunder includes mandrel bent tubing to help improve the truck’s sound. Let them know you’re coming with a mellow, throaty exhaust roar.
Peak Performance. The mandrel bent tubing combined with the Super 40 Series Delta Flow American Thunder muffler gives the system the best possible performance. The reduction of restrictions with this system gives the truck more torque and horsepower. This Cat-Back system gives you a noticeable difference in performance.
Quality Construction. This system was proudly constructed in the United States. The Flowmaster American Thunder Cat-Back Exhaust includes durable 3.0 inch inlets with dual 2.5 outlets and 16 gauge 409 stainless steel tubing. It is known for its corrosion-resistant abilities, and includes the “Flowmaster” logo on the tips for added class and custom styling.
Ease of Installation.The Flowmaster professionally engineered kit was created to be a direct replacement for the stock system. This means that all the necessary hardware comes with the kit, and the only tools necessary are the basic hand tools. No modifications are necessary.
Application.This Flowmaster American Thunder Cat-Back Exhaust System is designed to fit the 2015 to 2020 2.7L EcoBoost F-150s following Cab and Bed sizes:
- Regular Cab with a 8 ft. Bed
- SuperCab with a 6.5 ft. Bed
- SuperCab with a 8 ft. Bed
- SuperCrew with a 5.5 ft. Bed
- SuperCrew with a 6.5 ft. Bed
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Flowmaster 817725
CA Residents: WARNING: Cancer and Reproductive Harm
- Aggressive Flowmaster 40-Series Delta Flow Sound
- Durable 409 Stainless Steel Construction
- 3 in. Inlet, Dual 2.5 in. Outlet Mandrel-Bent Tubing
- 3.5 in. Polished Stainless Steel Tips
- Simple Bolt-On Installation
- Choice of Side or Rear Exit
- Made in the USA
- Fits 2015-2020 2.7L EcoBoost F-150s, Except for Regular Cabs with a 6.5 ft. Bed
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear – After Tire |
| Exhaust Loudness | Moderate |
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