Stainless Works Long Tube Header Kit w/ High-Flow Cats (FT05CAT) - 2004–2008 Ford F-150 4.6L

Improve the power, sound, and overall driving experience of your 2004–2008 Ford F-150 4.6L with the Stainless Works Long Tube Header Kit. Engineered to replace restrictive factory exhaust components, this system increases airflow, enhances throttle response, and delivers a deeper, more aggressive exhaust tone.

These headers are built with CNC mandrel-bent 1-5/8-inch primary tubes welded to heavy-duty 3/8-inch thick flanges for strength and precise sealing. The primaries merge into slip-fit collectors with integrated merge spikes to improve exhaust scavenging, then flow into high-flow catalytic converters for improved performance while maintaining excellent drivability.

Designed to connect directly to the factory exhaust system, this kit includes the necessary leads and Y-pipe for a clean, bolt-on installation. Constructed from corrosion-resistant 304 stainless steel and fully TIG welded at Stainless Works’ state-of-the-art facility in Streetsboro, Ohio, this header system is proudly made in the USA and backed by a lifetime warranty.

Features

• Long tube header system for 2004–2008 Ford F-150 4.6L
• Connects directly to the factory exhaust connection point
• 1-5/8-inch CNC mandrel-bent primary tubes
• Heavy-duty 3/8-inch thick header flanges
• Slip-fit collectors with integrated merge spikes
• Integrated high-flow catalytic converters
• Includes leads and Y-pipe for complete installation
• Smooth mandrel bends for optimized exhaust flow
• Constructed from corrosion-resistant 304 stainless steel
• Fully TIG welded for strength, durability, and appearance
• Made in the USA with a lifetime warranty

Fitment

- 2004 Ford F-150 4.6L
- 2005 Ford F-150 4.6L
- 2006 Ford F-150 4.6L
- 2007 Ford F-150 4.6L
- 2008 Ford F-150 4.6L

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