Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Black, Black Chrome |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Rear - Dual |
| Exhaust Loudness | Aggressive |
Unleash a Bold Sound and Boost Performance With Flowmaster's American Thunder System. This Flowmaster American Thunder Dual Exhaust gives your F-150 a commanding presence on the road and trail. The high-flow design enhances throttle response and delivers a deep, aggressive tone that truly brings your EcoBoost engine to life — all while maintaining daily-driving comfort.
Built for Durability, Style, and Performance Gains. Featuring mandrel-bent stainless steel piping and dual black tips, this system not only looks the part but also resists corrosion and harsh conditions. The black ceramic-coated tips finish the look with a stealthy appearance, while Flowmaster's signature muffler tuning provides a perfect blend of tone and refinement.
Installation. This product installs using factory mounting points; no cutting required on factory dual exhaust models.
Application. This Flowmaster American Thunder Dual Exhaust System fits 2021–2026 3.5L EcoBoost F-150 models equipped with factory dual exhaust, excluding Raptor variants.
Flowmaster 818169
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box
Tech Guides:
Fit Vehicles with Factory Dual Exhaust Only