Stainless Works 2013-18 Ford Focus ST 3in High-Flow Cats Downpipe Factory Connection (part # FC13DPCAT), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2013–18 Focus ST
Downpipe
Lifetime Warranty
Made in USA
Overview
Improve the power and performance on your 2013–18 Ford Focus ST with a premium downpipe from Stainless Works. This full 3" downpipe features a V-Band flange at the turbo and a two-bolt flange at the catback factory connection point.
Built from corrosion-resistant 304 stainless steel with a high-flow catalytic converter, this downpipe reduces backpressure for faster turbo spool, improved throttle response, and a more aggressive exhaust tone.
As always, our downpipes are TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term performance.
Why Stainless Works
- American-made from raw material to finished product
- TIG welded by skilled craftsmen for strength and beauty
- Lifetime warranty on material and craftsmanship
- Direct bolt-on fit for 2013–18 Focus ST 2.0L
- V-Band turbo flange for secure, leak-free connection
Key Features
3" Downpipe
Full 3" diameter front to back for maximum exhaust flow.
V-Band Turbo Flange
Secure V-Band connection at the turbo for a leak-free seal.
High-Flow Catalytic Converter
EPA compliance with improved flow for maximum performance.
Two-Bolt Flange Outlet
Connects directly to the catback factory connection point.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
2013–18 Ford Focus ST 2.0L |
| System Type |
Downpipe with High-Flow Catalytic Converter |
| Diameter |
3" |
| Turbo Flange |
V-Band |
| Outlet Flange |
Two-Bolt Flange — Factory Catback Connection |
| Catalytic Converter |
EPA Compliant High-Flow |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
⇩ Download Installation Instructions (PDF)
See It In Action
Sound Comparison and Features — 2013–18 Focus ST Downpipe System
What's In The Box
- Downpipe
- Installation Instructions
Frequently Asked Questions
Will this downpipe fit my 2013–18 Focus ST?
Yes. This downpipe is designed specifically for the 2013–2018 Ford Focus ST with the 2.0L EcoBoost engine. It is a direct bolt-on design featuring a V-Band flange at the turbo and a two-bolt flange at the factory catback connection point.
What is the advantage of the V-Band turbo flange?
The V-Band flange provides a secure, leak-free connection at the turbo that is easier to install and remove than traditional bolt-on flanges. It also allows for better alignment and reduces the risk of exhaust leaks.
Does this downpipe include a catalytic converter?
Yes. This downpipe includes a high-flow catalytic converter that is EPA compliant and designed for improved flow while maintaining emissions compliance.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship — covering the full life of the product, not just a limited term.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: FC13DPCAT
- Product type: Downpipe
- Fitment: 2013-18 Ford Focus ST
- Configuration: High-Flow Cats
- EPA status: Testing
- Shipping weight: 11.6 lb
California Prop 65 warning applies to this product.
Emissions note: headers, downpipes and catless/high-flow pipes may not be legal for street use in all states. Check your local emissions laws before installing.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
