Flowmaster - Flowmaster American Thunder Cat-Back Exhaust System 75 in D - Dual

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Flowmaster - Flowmaster American Thunder Cat-Back Exhaust System 75 in D - DualFlowmaster introduces our new American Thunder stainless steel cat back exhaust system for the 2021 2025 Ford F 150 with the 2. 7L, 3. 5L and 5. 0L engines. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 HP and 10 LB. FT. at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3. 0 inch inlet pipe and dual 2.