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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$519.95 kit
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Features, Description, Reviews, Q&A, Specs & Installation
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | No Tips |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | No Tip |
| Exhaust Exit Location | Turn Down |
| Exhaust Loudness | Moderate |
Performance Exhaust System. The Flowmaster FlowFX Extreme Single Exhaust System; Turn Down delivers an aggressive exhaust tone with enhanced engine output. Designed to replace factory catalytic converters and exhaust pipes, it improves airflow and creates a deep, powerful sound vital for performance enthusiasts. This system is ideal for those seeking boosted horsepower and torque with distinctive audio presence.
Construction and Appearance. Crafted from 409 stainless steel, this exhaust system features 3.0-inch, 16-gauge mandrel-bent tubing for durability and optimal exhaust flow. The muffler has a round 6-inch diameter body with a natural silver finish and a single wall, slash-cut exhaust tip welded on for a sleek, rugged appearance suitable for off-road durability.
Installation. Installation is straightforward using factory hanger locations and includes all necessary hardware. No drilling is required, making it suitable for at-home installation with basic mechanical tools and experience.
Warranty. This product is backed by a lifetime limited warranty, ensuring long-term confidence in quality and performance.
Application. Specifically designed to fit 2015–2020 Ford F-150 models equipped with the 3.5L EcoBoost engine, excluding Raptor and 2019–2020 Limited trims, ensuring precise compatibility within this range.
Flowmaster 717978
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: