Stainless Works 2004-08 F150 5.4L Exhaust 2-1/2in Chambered Mufflers Under Bumper Exit (part # 08F150TDUB), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2004–08 F-150 5.4L
Catback Exhaust
Lifetime Warranty
Made in USA
Overview
Improve the performance and sound of your 2004–08 F-150 5.4L with a premium catback exhaust system from Stainless Works. This 2-1/2" exhaust system features two turbo chambered mufflers and is engineered to create our distinctive growl and rumble.
This system includes tailpipes, hangers, and clamps, and features dual 4" polished slash-cut tips. Designed specifically for Stainless Works headers, this system creates a true dual exhaust setup for maximum performance and sound.
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 2004–08 F-150 5.4L — 2WD/4WD
- Designed for Stainless Works headers for a true dual system
Key Features
2-1/2" Catback System
Full 2-1/2" diameter for optimal exhaust flow and performance.
Turbo Chambered Mufflers
Delivers our distinctive growl and rumble with a refined tone.
Dual 4" Polished Tips
Double wall slash-cut tips for an aggressive, high-end appearance.
True Dual System Design
Designed for Stainless Works headers for maximum performance.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
Specifications
| Vehicle Fitment |
2004–08 Ford F-150 5.4L — SuperCab & SuperCrew — 2WD/4WD |
| System Type |
Catback Exhaust — True Dual System |
| Diameter |
2-1/2" |
| Muffler Type |
Turbo Chambered |
| Exhaust Tips |
Dual 4" Polished Slash-Cut — Double Wall |
| Connection |
Designed for Stainless Works Headers |
| Bed Compatibility |
SuperCrew: 5-1/2' or 6-1/2' Bed
SuperCab: 6-1/2' Bed |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
Lifetime |
| Origin |
Made in USA — Streetsboro, Ohio |
Fitment Information
This catback system is designed for the 2004–2008 Ford F-150 5.4L in the following configurations:
SuperCrew
✓ 5-1/2' Bed
✓ 6-1/2' Bed
SuperCab
✓ 6-1/2' Bed
⇩ Download Installation Instructions (PDF)
See It In Action
Sound Comparison and Features — 2004–08 F-150 5.4L Catback Exhaust System
What's In The Box
- Example shown: Contents vary by configuration.
- Muffler Inlet Pipes x2
- Long Chambered Turbo Mufflers x2
- Front Tailpipes x2
- Rear Tailpipes x2
- Polished Slash Cut Tips x2
- AccuSeal Clamps x8
- Hangers with 2 Saddle Clamps x2
- Saddle Clamps x4
- AccuSeal Clamps with Welded Hanger x2
- Hi-Temp Grommets x2
- Hangers x2
- Long Bolts x2
- Flat Washers x4
- Nyloc Nuts x2
- Installation Instructions
Frequently Asked Questions
Will this catback fit my 2004–08 F-150 5.4L?
Yes. This catback exhaust is designed specifically for the 2004–2008 Ford F-150 with the 5.4L engine. It fits 2WD and 4WD SuperCab and SuperCrew trucks with the specified bed lengths. It is a direct bolt-on system designed to work with Stainless Works headers for a true dual setup.
What bed configurations are supported?
This catback system fits SuperCrew trucks with 5-1/2' or 6-1/2' beds, and SuperCab trucks with 6-1/2' beds. See the Fitment Information section above for complete details.
What are the benefits of the turbo chambered mufflers?
The dual turbo chambered mufflers deliver our distinctive growl and rumble with a refined tone. They are engineered to provide an aggressive exhaust note while maintaining a comfortable cabin experience with minimal drone.
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: 08F150TDUB
- Product type: Cat-back exhaust
- Fitment: 2004-2008 Ford F-150 5.4L
- Configuration: Both Sides Of Rear Bumper
- Shipping weight: 52 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.
