K2 Industries
04-08 Ford F-150 5.4L V8 Stainless Steel Headers
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with original packaging and all included parts. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
Product information from K2 Industries
Manufacturer warranty and guarantee statements below are subject to that manufacturer’s terms. For return eligibility through Lee Mods, see Returns & Exchanges. Ask Lee Mods to clarify any warranty or guarantee before ordering.
04-08 Ford F-150 5.4L V8 Stainless Steel Headers
Stainless steel headers built to flow exhaust gases efficiently and resist rust from underhood heat and moisture. These are constructed from mandrel-bent tubing that maintains consistent diameter throughout each runner, reducing turbulence and backpressure. Stainless material handles thermal cycling without warping or corroding.
Key Features
- Mandrel-bent runners - Smooth bends preserve flow and reduce turbulence compared to crushed or kinked tubing.
- Stainless steel composition - Resists corrosion from heat cycles and moisture, outlasting mild steel alternatives.
- Factory-style mounting - Designed to integrate with existing engine bay points without modification.
Specs
- Material: Stainless Steel
- Construction: Mandrel-bent tubing
- Application: 04-08 Ford F-150 5.4L V8
Whats Included
- Header assembly
Frequently Asked Questions
Will these bolt straight to my existing exhaust system?
These mount at factory attachment points. You'll need to confirm your current downpipe or cat-back configuration fits the header outlet before final assembly — outlet diameter and angle should match your existing system.
Do I need to do anything to the headers before installation?
Inspect all mounting points and runner welds before bolting on. If you plan to wrap the tubes, do that first — it's easier off the engine. No coating, primer, or painting is required on stainless.
What if I have a fitment issue when they arrive?
Test-fit the headers fully before you tighten everything down. Check clearance at heat shields, firewall, and steering components. If there's interference, contact support with photos before proceeding — some fitment tweaks may require minor bracket adjustment.
Your vehicle
Select a vehicle to check the supplied application records for this part.
Choose or change vehicle →Product reference & ordering help
Supplier & part identification
K2 Industries
| Option | SKU / part reference |
|---|---|
| Standard | K2-4836-FORD-006-EC |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.
Shipping & delivery informationManufacturer warranty
Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.
Warranty information