Stainless Works Long Tube Header Kit w/ High-Flow Cats, Factory Connect (FT21HCATY) - 2021–2026 Ford F-150 5.0L
Enhance the sound, power, and overall driving experience of your 2021–2026 Ford F-150 5.0L with the Stainless Works Long Tube Header Kit featuring a factory connection. Designed and manufactured in the USA, this premium header system improves exhaust flow while maintaining compatibility with factory-style exhaust connections for a clean, straightforward installation.
These headers utilize CNC mandrel-bent 1-7/8-inch primary tubes paired with large 3-inch collectors to improve scavenging and horsepower across the RPM range. Integrated high-flow catalytic converters transition smoothly into either an X-pipe or Y-pipe, depending on the factory exhaust configuration, delivering improved performance without sacrificing drivability.
Constructed entirely from corrosion-resistant 304 stainless steel and fully TIG welded at Stainless Works’ state-of-the-art facility in Streetsboro, Ohio, this system is built for long-term durability. Backed by a lifetime warranty and proudly made in the USA, it offers premium performance with OEM-friendly integration.
Features
- Long tube header system designed for 2021–2026 Ford F-150 5.0L
- Factory connection for compatibility with stock-style exhaust systems
- 1-7/8-inch CNC mandrel-bent primary tubes
- Large 3-inch collectors for improved exhaust flow
- High-flow catalytic converters included
- X-pipe or Y-pipe configuration based on factory connection
- Smooth mandrel bends for optimized airflow
- Constructed from corrosion-resistant 304 stainless steel
- Fully TIG welded for strength, durability, and appearance
- Made in the USA with a lifetime warranty
Fitment
- 2021 Ford F-150 5.0L
- 2022 Ford F-150 5.0L
- 2023 Ford F-150 5.0L
- 2024 Ford F-150 5.0L
- 2025 Ford F-150 5.0L
- 2026 Ford F-150 5.0L
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
