1. Manifolds & Headers Offered
  2. sku: 3395038999853641
  3. FORD 25003

FORD 25003 Tube Headers 4.6L

fits model: G91, Gt, Mustang. make: Ford. year: 1999–2004.

25003 Aftermarket 1999-2004 Ford Mustang Gt 4.6l Long Tube Headers Used Take Offs G91

( Part Type: Tube Header ), ( Manufacturer Part Number: 25003 ), ( Placement On Vehicle: Left, Right )

Review FORD Aftermarket 4.6l Long Tube Headers Used Take Offs fits MUSTANG G91 GT 1999–2004

Introducing the 25003 tube headers, an essential upgrade for any 1999-2004 Ford Mustang GT with the 4.6LMOD motor. These high-performance headers are designed to replace the restrictive factory exhaust manifolds, providing significant benefits for the enthusiast looking to unleash the full potential of their beloved Mustang.

These headers are constructed from top-quality 304 stainless steel, known for its strength, durability, and resistance to corrosion. Each header tube is meticulously crafted to optimize gas flow, ensuring complete combustion and improved exhaust scavenging. The short tube design reduces exhaust volume, ensuring a quicker exhaust pulse and enhancing engine response.

The G91 flange design of this header is compatible with the factory catalytic converters and exhaust system, making it a bolt-on replacement for the factory manifolds. The headers feature 1 5/8-inch primary tubes, which widen to 2 inches at the collector, ensuring a smooth transition and reduced backpressure.

One of the most notable benefits of installing these headers is the increase in power and torque. By eliminating restrictions and improving exhaust flow, these headers allow the engine to breathe more efficiently, enabling a noticeable bump in horsepower and torque. Additionally, the design can reduce exhaust temperatures, which can improve engine longevity and performance.

In summary, the 25003 tube headers offer an excellent upgrade for any 1999-2004 Ford Mustang GT with a 4.6LMOD engine. The high-quality, stainless steel construction ensures durability and improved performance through increased flow and reduced backpressure. The G91 flange design makes it a direct and easy bolt-on replacement for the factory manifolds, while the short tube design provides quicker exhaust pulse and enhanced engine response.

Buying tube headers for a 1999-2004 Ford Mustang GT with a 4.6L engine, specifically part number G91, offers several potential benefits and drawbacks. Here's a list of pros and cons to help you make an informed decision.

Pros:

1. Performance Improvement: Tube headers enable better exhaust gas flow, which results in increased engine performance. They provide better scavenging for the engine, leading to improved fuel efficiency and horsepower gains.

2. Enhanced Sound: The replacement of stock catalytic converters with tube headers results in a more exciting and aggressive exhaust note. It provides a satisfying deep exhaust rumble to enhance the overall driving experience.

3. Core Temperature Reduction: Tube headers, with their raw design, allow easier and faster exhaust gas flow. This improved exhaust gas velocity significantly decreases the temperature of the exhaust gases as they exit the engine, which can keep the engine cooler and improve its overall performance.

Cons:

1. Economical Considerations: Installing tube headers requires a significant investment, as they typically cost more than stock headers. This additional cost could deter some owners, especially those working on a tight budget.

2. Installation Complexity: Installing tube headers involves some challenges due to their complex configuration and customization requirements, which may require in-depth knowledge or professional guidance during the installation process.

3. Potential Noise and Heat Concerns: As mentioned above, tube headers yield a gratifying exhaust note. However, this can also bring undesired attention, noise complaints, and additional heat during operation.

Conclusion:

While tube headers can offer improved engine performance, enhanced sound, and decreased exhaust temperatures, the added cost, potential complex installation, and possible noise concerns should be carefully considered before making a purchase. If seeking the additional performance and aggressive exhaust note, it may be worthwhile to invest in tube headers for your Ford Mustang GT with a 4.6L engine. However, it is essential to weigh the pros and cons carefully and assess your comfort with the installation process. If you are unfamiliar with the installation process, it may be advisable to seek professional assistance.

part # 25003 prices

  • $163.98-$495.50

specifications maniheader:

  • for models: G91, Gt, Mustang
  • for makes: Ford
  • for years: 1999-2004
  • part type: Tube Header
  • manufacturer part number: 25003
  • placement on vehicle: Left, Right

shipping maniheader:

  • cost: $0.00
  • type: Fixed
  • transit: 3-9 Days
  • carrier: FedEx, USPS
  • class: Standard, Expedited
  • service: FedEx Ground or FedEx Home Delivery, USPS Priority Mail

seller maniheader:

  • # reviews: 29534
  • rating: 99.6%

payments maniheader:

  • wallet: Paypal
  • credit card: Mastercard
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offer maniheader:

  • options: Ship-to-home
  • quantity: 1
  • started: January 29, 2025
  • availability: In Stock
  • sold: 0

returns maniheader:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: Used
for models: g91, gt, mustang, for makes: ford, for years: 1999-2004, part type: tube header, placement on vehicle: left, right,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 3395038999853641,

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  • Offer #2: $495.50 price + $Calculated delivery = $495.50* total. All parts are fully tested Model: FORD CMAX.+$Calculated shipping