Stainless Works Headers 2021-23 F-150 5.0L Long Tube Header Kit (part # FT21HCATY), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2021–26 F-150 5.0L
Long Tube Headers
3" Collector
Made in USA
Overview
Improve the sound and performance of your 2021–26 Ford F-150 5.0L with premium long tube headers from Stainless Works. American-Made and designed for the 5.0L Coyote engine, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase airflow, and engineered to create maximum power.
These headers come with 3" collectors, as well as high-flow catalytic converters that flow into a Y-pipe for a seamless connection to your factory exhaust system. The Factory Connection design ensures a direct bolt-on fit with no cutting or modification required.
Built from corrosion-resistant 304 stainless steel and fully 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 2021–26 F-150 5.0L
- Factory Connection design for easy installation
Key Features
1-7/8" Primary Tubes
Optimized sizing for strong mid-range and top-end power gains.
3" Collectors
Improved exhaust scavenging for maximum horsepower and torque.
High-Flow Catalytic Converters
EPA compliance with improved flow for maximum performance.
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.
Specifications
| Vehicle Fitment |
2021–26 Ford F-150 5.0L |
| System Type |
Long Tube Header Kit — Factory Connect |
| Primary Tube Size |
1-7/8" |
| Collector Size |
3" |
| Catalytic Converters |
EPA Compliant High-Flow |
| Connection |
Factory Connection Point — Y-Pipe |
| 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 — 2021–26 F-150 5.0L Long Tube Header System
What's In The Box
- Driver & Passenger Side Headers
- Inlet Elbow
- High-Flow Catalytic Converters x2
- Y-Pipe
- Driver Side Y-Pipe Lead
- O2 Extensions x2
- AccuSeal Clamp with Hanger Welded On
- AccuSeal Clamps x5
- Header Bolt Kit — 16 Pieces
- RTV Tube
- Installation Instructions
Frequently Asked Questions
Will these headers fit my 2021–26 F-150 5.0L?
Yes. These long tube headers are designed specifically for the 2021–2026 Ford F-150 with the 5.0L Coyote engine. They are a direct bolt-on kit with no cutting or modification required.
What is the Factory Connection?
The Factory Connection is designed to bolt directly to your factory exhaust system using a Y-pipe configuration. This makes installation quick and straightforward while maintaining compatibility with your stock exhaust components.
Do these headers include catalytic converters?
Yes. This system includes high-flow catalytic converters that are 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: FT21HCATY
- Product type: Headers
- Fitment: 2021-23 F-150 5.0L
- EPA status: Testing
- Shipping weight: 59.8 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.
