AMS PERFORMANCE STREET DOWNPIPES FOR P552 FORD F-150 ECOBOOST [AMS.32.05.0001-1]
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AMS Performance Street Downpipes for P552 Ford F-150 EcoBoost
Ford F-150 EcoBoost downpipes from AMS Performance are a stainless steel street downpipe upgrade for the P552 Ford F-150 (3.5L EcoBoost, 2015-2020), engineered to unlock the performance restricted by the factory downpipes. The stock F-150 downpipes are extremely restrictive; the AMS Ford F-150 EcoBoost downpipes replace them with a SolidWorks-designed unit featuring smoother, more organic transitions for the hot exhaust gases, letting the turbos spool quicker and deliver more power, faster. These downpipes carry a 24.7% increase in cross-sectional area at the inlet, the largest on the market, and retain 49-state-legal, EPA-compliant catalytic converters, so there are no check engine light issues.
Why the AMS Performance Ford F-150 EcoBoost Downpipes?
- The factory F-150 EcoBoost downpipes choke the 3.5L twin-turbo engine with restrictive transitions that slow exhaust flow and delay turbo spool. AMS engineers used SolidWorks to design smoother, more organic transitions that let exhaust gases flow more efficiently, spooling the turbos quicker for faster power delivery. The AMS Ford F-150 EcoBoost downpipes feature a 24.7% increase in cross-sectional area at the inlet, the largest available on the market, with a seamless transition from the OEM inlet diameter to 3-inch piping. The inlet flanges are designed to align perfectly with the OEM studs, and the mounting flanges are chamfered to distribute clamping force evenly for a reliable, leak-free seal. The outlet is raised by 1cm to improve clearance at the cross-member. Because these downpipes retain 49-state-legal, EPA-compliant catalytic converters, they deliver the performance gain without triggering a check engine light.
Features
- 24.7% increase in cross-sectional area at the inlet, the largest on the market
- SolidWorks-designed smoother organic transitions for efficient exhaust flow and faster turbo spool
- 49-state-legal, EPA-compliant catalytic converters no check engine light
- Seamless transition from OEM inlet diameter to 3″ piping
- Inlet flanges align perfectly with OEM studs
- Chamfered mounting flanges distribute clamping force evenly
- Outlet raised 1cm for improved cross-member clearance
- Optimized for use with AMS turbine outlet flanges
- Durable stainless steel construction
- OEM-level precise fitment
Applications
- Ford F-150 EcoBoost: P552 | 2015-2020
Notes
- Does not fit Raptor
- Retains 49-state-legal EPA-compliant catalytic converters; not certified for sale or use in California emissions-controlled applications. International buyers should comply with local laws and regulations
Frequently Asked Questions
- Will the AMS Performance Ford F-150 EcoBoost downpipes trigger a check engine light? No. The AMS Performance Ford F-150 EcoBoost downpipes retain 49-state-legal EPA-compliant catalytic converters, so they deliver the performance gain without triggering a check engine light, unlike downpipes that remove emissions equipment.
- How much larger are the AMS Performance Ford F-150 EcoBoost downpipes than stock? The AMS Performance Ford F-150 EcoBoost downpipes feature a 24.7% increase in cross-sectional area at the inlet the largest available on the market with a seamless transition from the OEM inlet diameter to 3-inch piping for efficient exhaust flow.
- Do the AMS Performance Ford F-150 EcoBoost downpipes improve turbo response? Yes. The Solidworks-designed smoother organic transitions of the AMS Performance Ford F-150 EcoBoost downpipes let exhaust gases flow more efficiently, allowing the turbos to spool quicker and deliver more power, faster, than the restrictive factory downpipes.
- Do the AMS Performance Ford F-150 EcoBoost downpipes fit the Raptor? No. The AMS Performance Ford F-150 EcoBoost downpipes do not fit the Raptor. They are designed for the P552 Ford F-150 with the 3.5L EcoBoost engine, model years 2015-2020.
- What are the AMS Performance Ford F-150 EcoBoost downpipes made of? The AMS Performance Ford F-150 EcoBoost downpipes are constructed from durable stainless steel with chamfered mounting flanges for even clamping force and inlet flanges that align perfectly with the OEM studs for an OEM-level precise fitment.
CARB / EPA COMPLIANCE TESTING NOT COMPLETED
- While AMS believes this product is either CARB EO exemption applicable, or complies with the EPA’s Anti-Tampering Policy, they have not completed the required testing and administrative process at this time. This product is not available to purchase for emissions-controlled vehicles located within the state of California, or available to ship to California addresses, without a completed AMS Race Waiver form. International users outside of the United States should act in accordance with their local laws and regulations.
About AMS Performance
AMS Performance is an engineering-led manufacturer of high-performance automotive components, founded on principles of integrity and dedicated to extracting maximum performance from turbocharged vehicles. With two decades at the forefront of the industry, AMS Performance combines computer-aided design, CFD analysis, and mechanical engineering expertise from motorsports backgrounds to deliver components proven at the highest level of performance. Their catalog spans turbo kits, intercoolers, charge pipes, intake manifolds, cold air intakes, and complete turn-key packages for drag racing, road racing, and high-performance street applications.
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.
AMS PERFORMANCE STREET DOWNPIPES FOR P552 FORD F-150 ECOBOOST [AMS.32.05.0001-1]
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