Flowmaster American Thunder Dual Exhaust System; Side/Rear Exit (21-26 3.5L EcoBoost F-150, Excluding Raptor & Tremor)Find parts that fit my vehicle

Performance Exhaust System. The Flowmaster American Thunder Dual Exhaust System with side or rear exit offers enhanced exhaust flow and a deep, aggressive tone for 2021-2026 Ford F-150 models equipped with 2.7L, 3.5L EcoBoost, and 5.0L engines. Designed to deliver up to 11 horsepower and 10 lb-ft of torque gains at the rear wheels, it improves power and sound quality for a more engaging driving experience.

Construction and Appearance. Made from mandrel-bent 409 stainless steel tubing and featuring the Super 40 chambered muffler, this system balances durability and performance. It includes a black high-temperature paint finish on the muffler and polished 3.5-inch stainless steel tips. Dual exit options allow personalization of the exhaust appearance with side or rear tailpipe placement.

Installation. Installation utilizes factory hanger locations and includes all necessary hardware for a straightforward fit. No modifications such as drilling or cutting are required, ensuring a hassle-free setup.

Warranty and Application. Backed by a lifetime limited warranty for long-term reliability. This exhaust system fits 2021-2026 Ford F-150 models with 2.7L, 3.5L EcoBoost, and 5.0L engines. It includes Tremor models and excludes Raptor due to fitment differences.

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