Stainless Works 2011-14 F-150 3.5L 3-1/2in Catback Chambered Muffler Factory Connection (part # FTECOCB), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2011–14 F-150 3.5L
Catback Exhaust
Lifetime Warranty
Made in USA
Overview
Improve the performance and sound of your 2011–14 F-150 3.5L EcoBoost with a premium catback exhaust system from Stainless Works. This 3-1/2" exhaust system features a turbo muffler and is engineered to create our distinctive growl and rumble.
Choose your sound level with either a chambered muffler for a classic muscle car tone or S-tube straight-through muffler for a more aggressive, free-flowing sound profile. This system includes tailpipes, hangers, and clamps, and features a single 3-1/2" polished slash-cut tip.
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.
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 2011–14 F-150 3.5L — up to 156.5" wheelbase
- Available with chambered or S-tube muffler options
Key Features
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 Tip
Large diameter tip delivers an aggressive, high-end appearance.
Factory Connection
Connects to the stock exhaust or many aftermarket systems.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
2011–14 Ford F-150 3.5L EcoBoost — Up to 156.5" Wheelbase |
| System Type |
Catback Exhaust |
| Diameter |
3-1/2" |
| Muffler Options |
Chambered — or — S-Tube Straight-Through |
| Exhaust Tips |
Single 3-1/2" Polished Slash-Cut |
| Connection |
Factory Connection — Fits Stock or Many Aftermarket Systems |
| 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 — 2011–14 F-150 3.5L Catback Exhaust System
What's In The Box
- Straight Front Pipe
- Chambered or S-Tube Muffler
- Tailpipe
- Exhaust Donut
- Clamp with Welded Hanger x3
- AccuSeal Clamp
- Long Slash Cut Polished Tip
- Long Bolts x2
- Flat Washers x4
- Nyloc Nuts
- Installation Instructions
Frequently Asked Questions
Will this catback fit my 2011–14 F-150 3.5L EcoBoost?
Yes. This catback exhaust is designed specifically for the 2011–2014 Ford F-150 with the 3.5L EcoBoost engine. It fits trucks up to 156.5" wheelbase and is a direct bolt-on system that connects to the stock exhaust or many aftermarket systems.
What muffler options are available?
You can choose between a chambered muffler for a classic muscle car tone with a deep rumble, or an S-tube straight-through muffler for a more aggressive, free-flowing sound. Both options deliver a distinctive growl 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
Built To Order in 4 Weeks — Free Shipping on Orders $50+
This Listing
- Brand: Stainless Works
- Part number: FTECOCB
- Product type: Cat-back exhaust
- Fitment: 2011-14 F-150 3.5L
- Configuration: Chambered
- Shipping weight: 57 lb
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.
