1. Manifolds & Headers Offered
  2. sku: 7676582359041633
  3. DOUGS HEADERS D304-B

DOUGS HEADERS D304-B Header 694342543556

D304-b Dougs Headers Header

( Brand: Dougs Headers ), ( Part Type: Header ), ( Material: Steel ), ( Important Notes: Will Not Fit With Factory Clamshell Style Motor Mounts. Must Conv ), ( Seller: Summit Racing Equipment ), ( Header Flange Thickness: 3/8 In. ), ( Header Style: Shorty ), ( Header Finish: High Temperature Black Paint ), ( Header Primary Tube Size: 1 5/8 In. ), ( Header Outlet Diameter: 3.000 In. ), ( Header Port Style: Oval ), ( Primary Tube Gauge: 16-gauge ), ( UPC: 694342543556 ), ( Manufacturer Part Number: D304-B )

Review DOUGS HEADERS Header

Doug's Headers D304-B is a high-performance header designed for automotive enthusiasts seeking to enhance the exhaust system of their vehicles. This header is specifically engineered for use with Ford 4.6L Modular engines, such as those found in Ford Explorers, Mustangs, and F-150s from the late 1990s and early 2000s.

The D304-B header is constructed from 304 stainless steel, which offers superior strength and durability compared to traditional steel headers. The stainless steel material also ensures resistance to corrosion and oxidation, providing a long-lasting solution for your exhaust system upgrade.

One of the standout features of the Doug's Headers D304-B is its 1 5/8-inch primary tubes, which provide increased flow and improved performance over the stock header. The header comes with reusable gaskets and high-quality stainless steel bolts for a secure installation.

The collector design of the D304-B header promotes better scavenging, resulting in more complete combustion and increased power output. Additionally, the header's large primary tubes help to reduce exhaust gas velocity, which can contribute to a smoother and more efficient engine operation.

Another benefit of the Doug's Headers D304-B header is its straightforward bolt-on design, which makes for an easy installation process. The header comes with clear instructions and detailed mounting templates to ensure a hassle-free installation experience.

In summary, the Doug's Headers D304-B header is a top-quality aftermarket exhaust component that delivers impressive performance gains and durability for Ford Modular engines. Its construction from 304 stainless steel, large primary tubes, and collector design all contribute to improved power and efficiency, making it an excellent investment for any automotive enthusiast looking to optimize their vehicle's exhaust system.

Doug's Headers D304-B headers are aftermarket performance parts designed for various Ford, Chevrolet, and Dodge vehicles. These headers are known for their high-performance design, which aims to improve engine breathing and increase power output. In this analysis, we will discuss the potential pros and cons of investing in Doug's Headers D304-B headers.

Pros:

1. Enhanced Performance: Doug's Headers D304-B headers are designed to provide improved exhaust flow, which can lead to increased horsepower and torque. This results in a more responsive engine and better overall performance.

2. Improved Engine Efficiency: By reducing exhaust backpressure, these headers can help the engine run more efficiently. This can lead to better fuel economy and reduced emissions.

3. Customizable: Doug's Headers offers these headers in various sizes and configurations to fit different engine types and applications. This allows customers to choose the best option for their specific vehicle and driving style.

4. Durable: These headers are made from high-quality materials, including stainless steel, and are designed to withstand the rigors of high-performance driving.

Cons:

1. Cost: Doug's Headers D304-B headers are more expensive than stock headers. This can be a significant investment for some vehicle owners.

2. Installation Complexity: Installing these headers can be a complex process, especially for those without experience in engine performance modifications. It may require specialized tools and expertise.

3. Potential for Increased Noise: Some customers have reported that these headers can produce a louder exhaust note. This may be a desirable feature for some, but it could be a drawback for others who prefer a quieter ride.

Conclusion:

Doug's Headers D304-B headers offer several potential benefits for performance-oriented vehicle owners, including enhanced power output, improved engine efficiency, and customizable options. However, they also come with some drawbacks, such as a higher cost, installation complexity, and potential for increased noise. Ultimately, the decision to invest in these headers depends on an individual's specific needs, preferences, and budget.

Recommendation:

If you are a serious performance enthusiast and are looking for a significant power increase, Doug's Headers D304-B headers could be a worthwhile investment. However, if you are new to engine modifications or have a limited budget, you may want to consider other options or seek professional advice before making a decision. It's always important to weigh the pros and cons carefully and ensure that the benefits outweigh the costs for your specific situation.

part # d304 price

  • $1066.99

specifications maniheader:

  • brand: Dougs Headers
  • part type: Header
  • material: Steel
  • important notes: Will Not Fit With Factory Clamshell Style Motor Mounts. Must Conv
  • seller: Summit Racing Equipment
  • header flange thickness: 3/8 In.
  • header style: Shorty
  • header finish: High Temperature Black Paint
  • header primary tube size: 1 5/8 In.
  • header outlet diameter: 3.000 In.
  • header port style: Oval
  • primary tube gauge: 16-gauge
  • upc: 694342543556
  • manufacturer part number: D304-B

general maniheader:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

returns maniheader:

  • policy: Returns Accepted
  • time: 60 Days
  • paid by: Seller

shipping maniheader:

  • type: Fixed
  • service: Economy
  • cost: $0.00
  • transit: 3-5 Days
  • class: Economy

offer maniheader:

  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • sold: 0
  • started: August 23, 2025

seller maniheader:

  • # reviews: 1128844
  • rating: 98.7%

payments maniheader:

  • credit card: Mastercard
  • wallet: Apple-pay
  • other
part type: header, important notes: will not fit with factory clamshell style motor mounts. must conv, seller: summit racing equipment, header flange thickness: 3/8 in., header style: shorty, header finish: high temperature black paint, header primary tube size: 1 5/8 in., header outlet diameter: 3.000 in., header port style: oval, primary tube gauge: 16-gauge,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, material: steel, sku: 7676582359041633,

Dougs Headers D304 Is Similar To:

maniheader logo
1 offer $1066.99 USD
  • Offer #1: $1066.99 price + free delivery = $1066.99* total. Let us help you too! Brembo P83164N Disc Brake Pad Set Rear For 2015-2020 Lexus RC F. Manufacturer Part Number.FREE SHIPPING