
( Brand: Dougs Headers ), ( Part Type: Header ), ( Material: Steel ), ( Manufacturer Part Number: D326-B ), ( 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 7/8 In. ), ( Header Outlet Diameter: 3.500 In. ), ( Header Port Style: Sap ), ( Primary Tube Gauge: 16-gauge ), ( UPC: 694342542887 )
Review DOUGS HEADERS Header
Doug's Headers D326-B is a high-performance exhaust header designed for late model Ford 5.0L Coyote engines. This header is a 4-1 design, which means it combines four primary exhaust pipes into one collector, providing superior scavenging and flow dynamics.
The D326-B header features 3/8-inch thick, 304L stainless steel construction. This robust material is known for its excellent corrosion resistance and strength, ensuring the header will withstand the rigors of high-performance use. The collectors and primary tubes are all CNC mandrel bent to ensure even exhaust flow and maximum power gain.
This header comes with 1 7/8-inch primary tubes that are designed to fit seamlessly into the factory exhaust ports. The exhaust gases exit the header through 3-inch collectors, which are connected to the catalytic converter or exhaust system via 3-inch exhaust pipes (sold separately). The header also comes with high-quality OEM style gaskets for a secure and leak-free installation.
The Doug's Headers D326-B header is a direct bolt-on replacement for the factory exhaust header, making it an easy upgrade for those looking to improve engine performance. The header's design provides a significant improvement in exhaust flow, leading to increased horsepower and torque. Additionally, the header's superior design and materials ensure longer lifespan and durability compared to the factory header.
Overall, the Doug's Headers D326-B header is a must-have upgrade for any Ford Coyote engine seeking increased power and improved exhaust flow. Its high-quality materials, precision manufacturing, and bolt-on design make it a popular choice among performance enthusiasts and racers.
Doug's Headers D326-B is a performance header designed for various Ford applications, including the 5.0L Coyote engine. Here are some potential pros and cons of purchasing this header:
Pros:1. Improved Performance: Doug's Headers are known for their high-performance design, which can help increase horsepower and torque in your Ford engine. The D326-B header, in particular, is designed to provide improved exhaust flow and better scavenging, leading to more power.
2. Enhanced Sound: The header's design can also result in a more aggressive exhaust note, which some enthusiasts find appealing.
3. Durability: Doug's Headers are made of high-quality materials, including 304 stainless steel, and are built to last. They come with a lifetime warranty, which can give you peace of mind.
4. Easy Installation: The header comes with all necessary hardware and instructions, making it relatively easy to install, even for those with limited mechanical experience.
Cons:1. Cost: Doug's Headers can be more expensive compared to stock headers or aftermarket alternatives. However, the performance benefits may justify the investment for some enthusiasts.
2. Requires Custom Tuning: Installing a performance header like the D326-B can require custom tuning to ensure optimal performance and fuel efficiency. This can add additional costs and complexity to the installation process.
3. Potential for Increased Emissions: Performance headers like the D326-B can increase exhaust emissions, which may not be desirable for those concerned about environmental impact or passing emissions inspections.
Conclusion:The Doug's Headers D326-B performance header can offer significant performance gains for Ford enthusiasts, including improved power and torque, enhanced sound, and durability. However, the higher cost, need for custom tuning, and potential for increased emissions may be drawbacks for some. Ultimately, the decision to purchase the D326-B header depends on your individual goals, budget, and priorities.
Recommendation:If you are looking to maximize performance and are willing to invest in a high-quality, durable header with a desirable exhaust note, then the Doug's Headers D326-B may be a worthwhile investment. However, if you are on a tight budget or have concerns about increased emissions, you may want to consider alternative header options or focus on other modifications for your Ford vehicle.
part # d326 price
- $1236.99
specifications maniheader:
- brand: Dougs Headers
- part type: Header
- material: Steel
- manufacturer part number: D326-B
- 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 7/8 In.
- header outlet diameter: 3.500 In.
- header port style: Sap
- primary tube gauge: 16-gauge
- upc: 694342542887
seller maniheader:
- # reviews: 1124888
- rating: 99.0%
offer maniheader:
- quantity: 3
- availability: In Stock
- started: March 31, 2025
- options: Ship-to-home
- sold: 0
shipping maniheader:
- transit: 2-4 Days
- type: Fixed
- cost: $0.00
- service: Economy
- class: Economy
payments maniheader:
- credit card: Visa
- other
- wallet: Google-pay
returns maniheader:
- policy: Returns Accepted
- paid by: Buyer
- time: 60 Days
general maniheader:
- Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
- condition: New
Dougs Headers D326 Is Similar To:
- Dougs Headers D308 Exhaust Header-power Steering Auto Trans Power Brakes (46.5% similar) $1008.99–$1064.21. (August 26th, 2024)
- Dougs D521 Coated Headers 1965 1966 1967 1968 Pontiac Catalina 326-389-400-455 (34.3% similar) $399.00. (September 17th, 2024)
- Dougs Headers D366 Y 5 01 Tri-y Chrome Ceramic Coated Sbc (50% similar) $1190.19. (September 27th, 2024)
- Dougs Headers D950 Corvette Exhaust Hi Flow Glass Pack Part No (42.7% similar) $303.94–$1600.00. (September 29th, 2024)
- Dougs Headers Dec300a-1 Electric Cut-out 3 Inch Single Cut (44.7% similar) $341.45–$434.43. (October 12th, 2024)
- Dougs Headers D569 Used-ish 1967-1969 Firebird 326-455 1 3/4 Inch Primary 3 - (40.4% similar) $1203.90–$1291.49. (December 4th, 2024)
- Dougs Headers 9430e 1964-70 Ford Mustang Tri-y Ceramic Coated (43.2% similar) $699.99. (December 9th, 2024)
- Dougs Headers Mp700158 1962-72 Mopar B-body Big Block 1 3/4 Inch Full Length Header With Metallic (38.7% similar) $1008.99. (December 9th, 2024)
- Dougs Headers Mp700161 1962-72 Mopar B-body Big Block 2 Inch Full Length Header With Black Hi-temp (38.4% similar) $1180.35. (December 12th, 2024)
- Dougs D303y-b Exhaust Header (43.6% similar) $325.15–$925.00. (December 12th, 2024)
- Dougs D569-b Headers Exhaust Header (54.8% similar) $303.94–$1534.88. (December 12th, 2024)
