DOUGS HEADERS D741-B Steel 694342543143

( Brand: Dougs Headers ), ( Material: Steel ), ( Seller: Summit Racing Equipment ), ( Header Flange Thickness: 3/8 In. ), ( Header Style: Full-length ), ( Header Finish: High Temperature Black Paint ), ( Header Primary Tube Size: 1 3/4 In. ), ( Header Outlet Diameter: 3.000 In. ), ( Header Port Style: Sap ), ( Primary Tube Gauge: 16-gauge ), ( UPC: 694342543143 ), ( Manufacturer Part Number: D741-B )

Review DOUGS HEADERS Full Steel Painted Pair fits 400 425 455

Doug's Headers D741-B Steel 400, 425, 455 is a high-performance exhaust header designed for automotive applications. This header set is engineered specifically for Ford Modular engines, including those found in 4.0L, 4.6L, and 5.0L applications.

The D741-B header is constructed from premium T304L stainless steel, ensuring durability and resistance to corrosion. The use of T304L stainless steel allows for superior strength and longevity compared to other materials. Each header is meticulously crafted using Doug's CNC machining process, ensuring precise fitment and optimal engine performance.

These headers feature a 4-into-1 design, which collects exhaust gases from each cylinder and merges them into a single, larger exhaust pipe. This design promotes more efficient scavenging and better overall flow, leading to increased horsepower and torque.

The D741-B header set includes all necessary gaskets and hardware for installation, ensuring a straightforward and hassle-free installation process. The headers also come with a set of oxygen sensors bungs, allowing for easy integration with factory or aftermarket exhaust gas oxygen sensors.

The Doug's Headers D741-B Steel 400, 425, 455 is a top choice for enthusiasts seeking to enhance the performance of their Ford Modular engine. With its high-quality materials, precise manufacturing, and efficient design, this header set is sure to provide noticeable gains in power and torque while delivering a satisfying exhaust note.

Doug's Headers D741-B Steel 400, 425, 455 are aftermarket performance headers designed to improve the exhaust flow and overall performance of your vehicle. Here are some pros and cons of buying these headers:

1. Enhanced Performance: Doug's Headers are known for their high-performance design that enhances exhaust flow, resulting in increased horsepower and torque.

2. Durability: These headers are made of high-quality steel material, which ensures durability and resistance to corrosion and wear.

3. Custom Fit: Doug's Headers are custom-designed to fit specific vehicle models, ensuring a perfect fit and optimal performance.

4. Improved Sound: The headers produce a more aggressive and pleasing exhaust note, which is a desirable feature for many performance enthusiasts.

5. Easy Installation: The headers come with clear instructions and are relatively easy to install, making them a popular choice among DIY enthusiasts.

1. Cost: Doug's Headers are more expensive than stock headers, making them a significant investment for some vehicle owners.

2. Loud Exhaust: The improved exhaust flow and design can result in a louder exhaust note, which may not be desirable for all drivers, especially those who prioritize quietness and discretion.

3. Requires Additional Modifications: In some cases, installing headers may require additional modifications to the exhaust system or engine, which can add to the cost and complexity of the project.

Doug's Headers D741-B Steel 400, 425, 455 offer significant performance benefits, including increased horsepower, torque, and improved exhaust flow. However, they come with a higher cost and may require additional modifications. Ultimately, the decision to purchase these headers depends on your individual priorities, budget, and performance goals.

If you are a performance enthusiast looking to maximize the potential of your vehicle, Doug's Headers are an excellent investment. However, if you prioritize a quieter exhaust note or have a limited budget, you may want to consider other options or wait until you have the resources to make the necessary modifications. Regardless of your decision, it's essential to ensure that the headers are custom-designed for your specific vehicle model to ensure a perfect fit and optimal performance.

part # d741 prices

• $1010.79-$1317.10

specifications maniheader:

• for models: 400, 425, 455
• brand: Dougs Headers
• material: Steel
• seller: Summit Racing Equipment
• header flange thickness: 3/8 In.
• header style: Full-length
• header finish: High Temperature Black Paint
• header primary tube size: 1 3/4 In.
• header outlet diameter: 3.000 In.
• header port style: Sap
• primary tube gauge: 16-gauge
• upc: 694342543143
• manufacturer part number: D741-B

payments maniheader:

• credit card: Visa
• other
• wallet: Google-pay

general maniheader:

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

offer maniheader:

• sold: 0
• availability: In Stock
• started: September 30, 2025
• options: Ship-to-home
• quantity: 4

returns maniheader:

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

shipping maniheader:

• type: Fixed
• cost: $0.00
• class: Economy
• service: Economy
• transit: 2-4 Days

seller maniheader:

• rating: 98.9%
• # reviews: 1131407

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