Stainless Works 2015-16 Ford F-150 2.7L/3.5L 3.5in Catback S-Tube Muffler Factory Connection
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Stainless Works 2015-16 Ford F-150 2.7L/3.5L 3.5in Catback Chambered Muffler Factory Connection (part # FT15ECOCB), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2015–20 F-150 EcoBoost
Catback Exhaust
Lifetime Warranty
Made in USA
Improve the performance and sound of your 2015–20 F-150 EcoBoost with a premium catback exhaust system from Stainless Works. This 3-1/2" exhaust system is available in either chambered or S-tube sound profiles to match your preferred exhaust note.
This system features a single turbo style muffler and 3-1/2" polished slash-cut tips. Designed to fit to the factory connection point, this catback delivers improved flow and a more aggressive tone without compromising daily drivability.
Built from corrosion-resistant 304 stainless steel and TIG welded at our state-of-the-art facility in Streetsboro, Ohio — engineered for long-term durability and performance.
3-1/2" Catback System
Full 3-1/2" diameter for maximum exhaust flow and performance.
Chambered or S-Tube Muffler
Choose your preferred sound profile for the perfect EcoBoost tone.
3-1/2" Polished Slash-Cut Tips
Large diameter tips deliver an aggressive, high-end appearance.
Factory Connection Point
Direct bolt-on to your factory exhaust system.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
| Vehicle Fitment | 2015–20 Ford F-150 EcoBoost — 3.5L & 2.7L — Up to 156.5" Wheelbase |
| System Type | Catback Exhaust |
| Diameter | 3-1/2" |
| Muffler Options | Chambered — or — S-Tube |
| Exhaust Tips | 3-1/2" Polished Slash-Cut |
| Connection | Factory Connection Point |
| Material | 304 Stainless Steel |
| Welding | TIG Welded |
| Warranty | Lifetime |
| Origin | Made in USA — Streetsboro, Ohio |
⇩ Download Installation Instructions (PDF)
What's In The Box
Frequently Asked Questions
Will this catback fit my 2015–20 F-150 EcoBoost?
Yes. This catback exhaust is designed specifically for the 2015–2020 Ford F-150 with the 3.5L or 2.7L EcoBoost engine. It fits trucks up to 156.5" wheelbase and is a direct bolt-on system that connects to the factory connection point.
What muffler options are available?
You can choose between chambered mufflers for a classic muscle car tone or S-tube mufflers for a more aggressive, straight-through sound profile. Both options deliver a deep, powerful exhaust note tailored to the EcoBoost engine.
What are the benefits of upgrading to a 3-1/2" catback?
The 3-1/2" diameter tubing provides increased exhaust flow for improved turbo spool, better throttle response, and enhanced performance. It also delivers a more aggressive exhaust tone while maintaining a comfortable cabin experience.
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
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California Prop 65 warning applies to this product.
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.