1. Manifolds & Headers Offered
  2. sku: 7675886359041633
  3. DOUGS HEADERS D308-B

DOUGS HEADERS D308-B Header 694342543426

D308-b Dougs Headers Header

( Brand: Dougs Headers ), ( Part Type: Header ), ( 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 5/8 In. ), ( Header Outlet Diameter: 3.000 In. ), ( Header Port Style: Oval ), ( Primary Tube Gauge: 16-gauge ), ( UPC: 694342543426 ), ( Manufacturer Part Number: D308-B )

Review DOUGS HEADERS Header

Doug's Headers D308-B High Performance Exhaust Headers

Doug's Headers D308-B is a set of high-performance exhaust headers designed for serious automotive enthusiasts seeking improved engine performance, efficiency, and power. These headers are engineered to replace the stock exhaust manifolds in various applications, including but not limited to, Ford Mustang GT, Boss 302, and Shelby GT350 models.

The D308-B headers are made from premium 321 stainless steel, which is known for its superior strength, durability, and resistance to corrosion. Each header is meticulously crafted using Doug's Headers' proprietary CNC manufacturing process, ensuring precision, consistency, and optimal flow.

One of the key features of the D308-B headers is their 1 5/8-inch primary tubes, which provide a more efficient exhaust flow compared to the stock manifolds' smaller diameter tubes. The headers also feature 3-inch collectors with a 2-inch merge collector, which further enhances exhaust flow and reduces backpressure, allowing the engine to breathe more efficiently and produce more power.

Another advantage of the Doug's Headers D308-B headers is their customizable design. They come with removable collector extensions, allowing users to choose between various exhaust system configurations, such as a 2.5-inch or 3-inch exhaust system, depending on their performance goals and preferences.

The Doug's Headers D308-B headers also come with stud kit and gasket kit for easy installation, ensuring a secure and leak-free connection to the exhaust system. Additionally, they are designed to fit perfectly with the factory catalytic converters, making them a great option for those who want to maintain their vehicle's emissions compliance while enjoying the performance benefits of aftermarket headers.

In summary, the Doug's Headers D308-B headers are a high-performance exhaust solution for enthusiasts looking to maximize engine efficiency, power, and flow. Crafted from premium stainless steel, these headers are meticulously manufactured to provide optimal exhaust flow and reduce backpressure, ultimately leading to increased horsepower and torque. With their customizable design, removable collector extensions, and ease of installation, the D308-B headers are a great investment for any serious automotive enthusiast.

Doug's Headers D308-B headers are aftermarket performance headers designed for various Ford and Chevrolet applications. These headers are known for their high-performance design and ability to improve engine breathing and power output. Here are some pros and cons of buying Doug's Headers D308-B headers:

Pros:

1. Enhanced Performance: Doug's Headers D308-B headers are designed to improve engine performance by reducing exhaust gas flow restrictions and allowing better scavenging of spent gases. This can lead to increased horsepower and torque.

2. High-Quality Construction: These headers are made from high-quality, heavy-gauge steel and feature welded collector flanges for strength and durability. They are also coated with a high-temperature ceramic coating to protect against heat damage.

3. Improved Fuel Economy: By reducing exhaust gas restrictions, Doug's Headers D308-B headers can help improve fuel economy by allowing the engine to run more efficiently.

4. Better Sound: These headers produce a great exhaust note, which is a desirable feature for many performance enthusiasts.

Cons:

1. Cost: Doug's Headers D308-B headers are more expensive than stock headers. This may be a consideration for those on a tight budget.

2. Installation Complexity: Installing these headers can be a complex and time-consuming process. It may require professional installation or extensive mechanical knowledge and experience.

3. Loud Exhaust: While the improved exhaust note is a desirable feature for some, it may be too loud for others. This may require the use of exhaust system modifications or sound deadening materials to reduce the exhaust noise.

In conclusion, Doug's Headers D308-B headers offer significant performance benefits, including improved engine breathing, horsepower and torque gains, and better fuel economy. However, they come with a higher cost and installation complexity, as well as the potential for increased exhaust noise.

If you are a serious performance enthusiast and are willing to invest in high-quality aftermarket headers, then Doug's Headers D308-B headers may be an excellent choice for you. However, if you are on a tight budget or are not willing to deal with the complexities of installation, then you may want to consider other options. Ultimately, the decision to purchase Doug's Headers D308-B headers depends on your individual needs and priorities.

part # d308 prices

  • $1008.61-$1030.67

specifications maniheader:

  • brand: Dougs Headers
  • part type: Header
  • 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 5/8 In.
  • header outlet diameter: 3.000 In.
  • header port style: Oval
  • primary tube gauge: 16-gauge
  • upc: 694342543426
  • manufacturer part number: D308-B

general maniheader:

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

returns maniheader:

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

payments maniheader:

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

shipping maniheader:

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

seller maniheader:

  • # reviews: 1128843
  • rating: 98.7%

offer maniheader:

  • quantity: 1
  • started: August 23, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
part type: header, 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 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: 7675886359041633,

Dougs Headers D308 Is Similar To:

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5 offers $1008.61–$1030.67 USD
  • Offer #1: $1030.67 price + free delivery = $1030.67* total. If a defect is identified after this period, it will fall under the manufacturer's warranty and should be handled directly with them.FREE SHIPPING
  • Offer #2: $1008.61 price + $14.25 delivery = $1022.86* total. Product images may not be vehicle specific.+$14.25 shipping
  • Offer #3: $1008.64 price + free delivery = $1008.64* total. Dougs Exhaust Headers for Camaro Chevelle El Camino Monte Carlo 265-400ci.FREE SHIPPING
  • Offer #4: $1008.99 price + $87.75 delivery = $1096.74* total. Every header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder reducing pumping losses for dramatic gains in horsepower and torque.+$87.75 shipping
  • Offer #5: $971.98 price + $13.99 delivery = $985.97* total. Headers - Full Length - 1.625 in Primary - 3 in Collector - Steel - Metallic Ceramic - Small Block Chevy - Various Applications - Kit.+$13.99 shipping