Stainless Works 21-25 Ford F150 5.0L Headers 1-7/8in Primaries High-Flow Cats Factory Conn. (part # SFT21HCATY), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2015–26 F-150 5.0L
Long Tube Headers
3" Collector
Aggressive Price Point
Overview
Improve the sound and performance of your 2015–26 Ford F-150 5.0L with premium long tube headers from Stainless Power. 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.
Stainless Power Header Kits are built from corrosion resistant 304 stainless steel and TIG welded for strength and durability. We stand by our products with a 2-Year warranty on material and craftsmanship at an aggressive price point.
Why Stainless Power
- Aggressive price point for budget-conscious builds
- TIG welded for strength and durability
- 2-Year warranty on material and craftsmanship
- Direct bolt-on fit for 2015–26 F-150 5.0L — All Cab Configurations
- 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 |
2015–26 Ford F-150 5.0L — 2WD/4WD — SuperCab, SuperCrew & Regular Cab |
| 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 |
| Brand/Series |
Stainless Power |
| Material |
304 Stainless Steel |
| Welding |
TIG Welded |
| Warranty |
2-Year on Material and Craftsmanship |
Fitment Information
This Stainless Power header system is designed for the 2015–2026 Ford F-150 5.0L in the following configurations:
Fits All Cab Configurations
✓ Regular Cab — 2WD & 4WD
✓ SuperCab — 2WD & 4WD
✓ SuperCrew — 2WD & 4WD
Engine & Drivetrain
✓ 5.0L Coyote V8
✓ 2WD & 4WD Models
⇩ Download Installation Instructions (PDF)
What's In The Box
- Driver & Passenger Side Headers
- 3" Elbow x1
- High-Flow Catalytic Converters x2
- Y-Pipe x1
- 12" O2 Extensions x2 (Use on 2017 & Older)
- 24" O2 Extensions x2 (Use on 2018 & Newer)
- Welded Hanger x1
- Band Clamps x6
- Header Bolt Kit x1
- RTV Sealant x1
- Installation Instructions
Frequently Asked Questions
Will these headers fit my 2015–26 F-150 5.0L?
Yes. These long tube headers are designed for the 2015–2026 Ford F-150 with the 5.0L Coyote engine in all cab configurations — Regular Cab, SuperCab, and SuperCrew. They are a direct bolt-on kit with no cutting or modification required.
What is the Stainless Power option?
Stainless Power is our value-oriented line offering the same 304 stainless steel and TIG welded construction at an aggressive price point. Stainless Power kits are made overseas and come with a 2-Year warranty on material and craftsmanship.
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.
What warranty is included?
Stainless Power provides a 2-Year warranty on material and craftsmanship, offering exceptional value and durability at an aggressive price point.
Customer Reviews
★★★★★
Headers are Amazing
Verified Buyer — Rigo Garcia | October 17, 2025
Would recommend to any 5.0 truck out there.
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: SFT21HCATY
- Product type: Headers
- Fitment: 2021-2025 Ford F-150 5.0L
- EPA status: Testing
- Shipping weight: 60.6 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.
