1999-2003 Ford F-150 5.4L 2V long tube headers with hardware
Ford 5.4 Triton header gaskets collector rings bolts and nuts
Ford F-150 5.4L stainless long tube headers with mounting hardware
Ford 5.4L header collector reducers and connection details
Ford F-150 long tube header connection pipe dimensions
Ford 5.4 Triton exhaust connection pipe flange measurements

1999-2003 Ford F-150 5.4L 2V Triton V8 Long Tube Headers – T304 Stainless Steel, O2 & EGR

SKU: XKV11061
Availability : In Stock Pre order Out of stock
$311.44 $246.67 SAVE $64.77
Fitment & Specs
Fits listed 1999-2003 Ford F-150 5.4L 2V Triton V8, 2004 F-150 Heritage 5.4L V8, 1997-1999 F-250 5.4L V8, and select Lightning / Harley-Davidson Edition 5.4L V8 Supercharged applications. Verify exact vehicle configuration before purchase.
8 × 1.625" Ports Inlet · 2.375" Outlet
T304 Stainless Steel · Professional Installation Recommended
Before You Buy: Off-road/racing use only · Professional install recommended
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Description
Ford 5.4L Triton Exhaust Upgrade

Long Tube Headers for Ford F-150 5.4L 2V Triton

T304 stainless steel long tube headers designed primarily for the listed 1999-2003 Ford F-150 5.4L 2V Triton V8 applications. The header set uses a dual-bank 4-2-1 long-tube layout with 1.625-inch primary ports, 2.50-inch collector piping, 2.375-inch outlets, and provisions for O2 sensor and EGR connections where applicable.

Product Type Long Tube Headers
Material T304 Stainless Steel
Outlet Size 2.375 Inch

Key Details

Long Tube Header Design

  • Dual-bank 4-2-1 long tube header configuration
  • 8 × 1.625-inch primary ports
  • 2.50-inch collector piping
  • 2.375-inch outlets
  • Performance-oriented exhaust header layout

Construction & Connection Details

  • T304 stainless steel construction
  • TIG-welded construction
  • CNC-machined flanges
  • O2 sensor bung provisions
  • EGR bung provisions
Vehicle Fitment

Confirm Your Ford 5.4L Application

Vehicle Year Engine
Ford F-150 1999-2003 5.4L 2V Triton V8
Ford F-150 Heritage 2004 5.4L V8
Ford F-250 1997-1999 5.4L V8
Ford Lightning / Harley-Davidson Edition Select Listed Applications 5.4L V8 Supercharged
Fitment Note: The primary application for XKV11061 is the listed 1999-2003 Ford F-150 5.4L 2V Triton V8. Additional listed applications include the 2004 F-150 Heritage, 1997-1999 F-250 5.4L, and select Ford Lightning / Harley-Davidson Edition 5.4L V8 Supercharged models. This product is not intended for Ford 4.6L engines or 5.4L 3V applications. Verify exact year, model, engine, O2 sensor layout, EGR connection, flange pattern and downstream exhaust configuration before purchase.

Product Configuration

What This Product Is

  • Long tube exhaust header set
  • Designed for the listed Ford 5.4L applications
  • Performance exhaust manifold/header replacement path
  • O2 sensor and EGR connection provisions as listed

What This Product Is Not

  • Not a catback exhaust system
  • Not a muffler or axle-back system
  • Not a turbocharger or supercharger kit
  • Not a universal header kit
  • Not a complete emissions-delete system

Package Includes

  • Long tube exhaust header components as shown
  • O2 sensor bung provisions
  • EGR bung provisions
  • Metal gasket as listed
  • Additional hardware or accessories only where shown or listed with the product

Installation & Fitment Notes

Before Installation

  • Confirm vehicle year, model and 5.4L engine configuration.
  • Verify cylinder-head flange pattern and downstream exhaust connection.
  • Confirm O2 sensor position, wire reach and EGR hookup.
  • Check clearance around the steering shaft, starter, transmission, frame, wiring and surrounding exhaust components.
  • Compare all supplied components with the existing exhaust before beginning installation.

Installation Notes

  • Professional installation is recommended.
  • Test fit both header sides before final tightening.
  • Modified exhaust systems, previous repairs or non-factory configurations may require additional adjustment or fabrication.
  • Old, rusted or seized factory hardware may increase installation difficulty.
  • Inspect exhaust connections for leaks after installation and recheck fasteners after initial heat cycles where appropriate.

Before You Buy

  • Core fitment is the listed 1999-2003 Ford F-150 5.4L 2V Triton V8.
  • Additional listed fitment includes 2004 Ford F-150 Heritage 5.4L V8, 1997-1999 Ford F-250 5.4L V8, and select Ford Lightning / Harley-Davidson Edition 5.4L V8 Supercharged applications.
  • Not intended for Ford 4.6L engines or 5.4L 3V applications.
  • Verify year, model, engine, O2 sensor layout, EGR connection, flange pattern, downstream exhaust connection and installation clearance before ordering.
  • Exhaust and emissions requirements vary by location. Verify applicable local requirements before installation or road use.
Shipping & Return

SHIPPING & DELIVERY
Fast Processing & Reliable Transit

  • Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
  • Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
  • Shipping - Free shipping on all orders within the contiguous 48 U.S. states.

RETURNS & EXCHANGES
30-Day Hassle-Free Policy

  • Return Window: We offer a 30-day return policy from the date of delivery.
  • Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
  • Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.

WARRANTY
2-Year Limited Replacement Warranty

  • Duration: All products are backed by a 2-year limited warranty.
  • Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).

CUSTOMER SUPPORT
We’re Here to Help – Contact Us First

  • Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
  • Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
  • Email Support: You can reach us at support@XKVracing.com.

What Does an Exhaust Header Actually Do?

The exhaust header is the first section of the exhaust system and mounts directly to the engine. Its role is to collect exhaust gases from each cylinder and route them into the rest of the exhaust system.

Compared to many factory manifolds, header designs often focus on smoother internal flow and more uniform exhaust routing before gases move downstream.

What You May Notice After Installation

Smoother exhaust flow as engine speed increases

More consistent engine behavior across the RPM range

Improved exhaust routing when paired with other intake or exhaust components

Changes in exhaust tone, depending on system configuration

When This Type of Upgrade Is Typically Considered

Addressing airflow limitations in the factory exhaust manifold

Planning coordinated intake or exhaust system updates

Replacing aging or restrictive original components

Build a balanced, performance-focused setup

Factory Manifold vs. Performance Header

Factory Exhaust Manifold

Designed to meet packaging, cost, and emissions requirements
Prioritizes durability and compliance across broad use cases

Performance Exhaust Header

Designed with exhaust flow characteristics in mind
Built for higher exhaust temperatures and specific vehicle platforms
Commonly used as part of an exhaust system configuration

Important Notice

Products on this site are intended for off-road, racing, or closed-course use where emissions laws apply. They are not represented as street legal, emissions-compliant, or legal for use on public roads unless explicitly stated.

Some products may remove, replace, relocate, disable, or alter emissions-related components, including but not limited to catalytic converters, EGR, DPF, SCR, DOC, O2 sensors, or related factory systems. Compatible tuning, calibration, or supporting modifications may be required to avoid engine codes or drivability issues.

Professional installation is recommended. Buyers are responsible for verifying product compatibility, local regulations, emissions requirements, and any required tuning or supporting modifications before purchase and installation.

Performance gains, sound changes, airflow improvements, temperature changes, fuel economy changes, fitment, and drivability results may vary. No specific performance gains are guaranteed.

Frequently Asked Questions

What do exhaust headers do? +

Exhaust headers help route exhaust gases away from the engine through individual tubes and collector-style routing. Actual results depend on the vehicle, engine condition, exhaust system, installation quality, and supporting components.

What's the difference between headers and factory manifolds? +

Factory manifolds are typically designed around packaging, durability, emissions requirements, and production cost. Headers or manifold-related exhaust upgrades may use different tube routing, flange designs, or connection layouts depending on the application.

Will headers increase horsepower? +

Headers may support improved exhaust flow where the product is compatible, but horsepower and torque changes are not guaranteed. Results vary by engine setup, tuning, exhaust configuration, vehicle condition, installation, and supporting modifications.

Do headers make the vehicle louder? +

Headers and related exhaust parts can change exhaust tone and may increase sound depending on the rest of the exhaust system. Final sound level depends on the engine, mufflers, catalytic converters, pipe routing, and complete exhaust setup.

Do I need tuning after installing headers? +

Tuning requirements depend on the vehicle, engine management system, O2 sensor setup, emissions equipment, and supporting modifications. Some installations may not require tuning, while modified builds may require professional inspection, calibration, or tuning to support proper drivability.

Are header products street legal? +

Header and exhaust products may be intended for off-road or racing use where emissions laws apply. They are not represented as street legal, emissions-compliant, or CARB-compliant for public road use unless a valid exemption is explicitly stated. Always check local regulations before purchase and installation.

Can I use headers with a stock exhaust system? +

Compatibility with a stock exhaust system depends on the vehicle and existing exhaust configuration. Some vehicles may require additional hardware, gaskets, connectors, adjustment, or fabrication to complete installation.

Are headers hard to install? +

Installation difficulty varies by vehicle. Tight engine bays, old hardware, rust, engine swaps, modified exhaust systems, sensor placement, and clearance around surrounding components can increase installation complexity. Professional installation is recommended.

Will headers affect reliability? +

Reliability depends on fitment accuracy, installation quality, vehicle condition, heat management, gasket sealing, fastener condition, sensor placement, and supporting components. Proper inspection and installation are important.