Improve the power and performance on your 2017–20 F-150 Raptor with a premium downpipe system from Stainless Works. This full 3" downpipe replaces the factory turbo adapter for increased airflow and maximum performance.
Designed for the 3.5L EcoBoost engine, this downpipe features high-flow catalytic converters and a factory connection point for a direct bolt-on installation. The turbo adapter is built-in for a seamless, leak-free connection that maximizes turbo response.
Built from corrosion-resistant 304 stainless steel and fully TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term performance.
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American-made from raw material to finished product
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TIG welded by skilled craftsmen for strength and beauty
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Lifetime warranty on material and craftsmanship
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Direct bolt-on fit for 2017–20 F-150 Raptor 3.5L
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Replaces factory turbo adapter for maximum airflow
| Vehicle Fitment | 2017–20 Ford F-150 Raptor 3.5L EcoBoost |
| System Type | Downpipe with High-Flow Catalytic Converters |
| Diameter | 3" |
| Turbo Adapter | Built-In — Replaces Factory Adapter |
| Catalytic Converters | EPA Compliant High-Flow |
| Connection | Factory Connection Point |
| Material | 304 Stainless Steel |
| Welding | TIG Welded |
| Warranty | Lifetime |
| Origin | Made in USA — Streetsboro, Ohio |
Sound Comparison and Features — 2017–20 F-150 Raptor Downpipe System
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Left Downpipe — Front
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Left Downpipe — Rear
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Right Downpipe — 3" Bent Tube with Flange
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Clamp
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O2 Extensions x2
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Stud Extractor Socket
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Bolts x4
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Lock Washers x4
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Long Stud Bolts x2
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Flat Washers x4
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Installation Instructions
Questions? Call us at 800-878-3635 | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
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Quality Downpipes!
Installed these on my 2018 F-150 Raptor. Install took roughly 3-4 hours with simple garage tools. The most difficult part being removing the studs from the turbos but Stainless Works provides the tool required! These downpipes have the turbo adapters built in and are stout! Such an upgrade from stock, you'll instantly feel the turbos spooling up quicker! Truck doesn't feel as restricted anymore and definitely is more free flowing!
