1. Manifolds & Headers Offered
  2. sku: 11011053562293752
  3. DOUGS HEADERS D332-B

DOUGS HEADERS D332-B Tube 396-454

fits model: Chevelle. year: 1964-67.

396-454 Dougs Headers D332-b Long Tube 1964-67 Chevelle Bbc

( Brand: Dougs Headers ), ( Part Type: Tube ), ( Manufacturer Part Number: D332-B )

Review DOUGS HEADERS Long Tube Bbc fits CHEVELLE 1964-67

Introducing Doug's Headers D332-B tube header set, specifically designed for 1964 to 1967 Chevelle models with a Big Block engine, be it a 396 or 454 cubic inch powerhouse. These headers are a must-have for any performance enthusiast looking to optimize their engine's efficiency and power.

The D332-B tube headers are meticulously crafted from high-quality 304 stainless steel, ensuring durability and resistance to corrosion. Each header is engineered with a 1 7/8-inch primary tube diameter, which provides an optimal balance between flow and scavenging. The collectors are designed with a 3-inch diameter, allowing for a smooth and efficient exhaust flow.

These headers come with matched numbered primary tubes, ensuring a perfect fit and a seamless installation process. The flanges are CNC machined for a precise fit and are equipped with factory-style studs for easy bolt-on installation. The headers also feature roll-formed collector flanges, which provide superior strength and durability compared to welded flanges.

One of the standout features of the D332-B tube headers is their ability to improve engine performance. By providing a more efficient exhaust flow, these headers help to reduce back pressure, allowing the engine to breathe better and produce more power. Additionally, the headers help to improve engine responsiveness, providing a more immediate throttle response and a smoother power delivery.

Another advantage of the Doug's Headers D332-B tube headers is their ability to help reduce exhaust gas temperatures. By providing a more efficient exhaust flow, these headers help to reduce the amount of time that exhaust gases spend in the engine, which in turn helps to reduce exhaust gas temperatures. This can lead to improved engine durability and increased performance.

In summary, the Doug's Headers D332-B tube header set is an essential upgrade for any 1964 to 1967 Chevelle Big Block engine. These headers are meticulously crafted from high-quality materials, are designed for a perfect fit, and provide numerous performance benefits, including improved engine efficiency, power, and responsiveness, as well as reduced exhaust gas temperatures.

Pros and Cons of Buying Doug's Headers D332-B Tube Headers for 1964-1967 Chevelle BB Capps 396-454

I. Introduction

Doug's Headers is a well-known brand in the automotive performance industry. Their D332-B Tube Headers are a popular choice for Chevelle BB (Big Block Chevelle) owners looking to upgrade their exhaust systems. This analysis will discuss the advantages and disadvantages of purchasing these headers.

II. Pros (Advantages)

1. Improved Performance: Doug's Headers are designed to enhance engine performance by reducing exhaust gas flow restrictions. This leads to improved power and torque.

2. Enhanced Sound: These headers produce a more aggressive exhaust note, which is popular among muscle car enthusiasts.

3. High-Quality Construction: Doug's Headers are manufactured from premium materials, ensuring durability and longevity. They are made of 304 stainless steel, which is resistant to corrosion.

4. Easy Installation: These headers come with detailed instructions and are relatively easy to install for most DIY enthusiasts.

5. Fits a Wide Range of Applications: Doug's Headers D332-B are compatible with various engine sizes, including 396 and 454 cubic inch engines.

III. Cons (Disadvantages)

1. Cost: Doug's Headers are more expensive than stock exhaust systems or some aftermarket alternatives.

2. Loud Exhaust: The increased exhaust flow can result in a loud exhaust note, which might not be suitable for everyone, especially those living in noise-sensitive areas.

3. Potential for Backfiring: Due to their design, headers may backfire under certain conditions, such as rapid deceleration. This can be addressed by installing a set of headers with built-in anti-backfire technology or using a catch can.

IV. Conclusion

Doug's Headers D332-B Tube Headers offer several advantages, including improved performance, enhanced sound, high-quality construction, and easy installation. However, they also come with some disadvantages, such as cost, loud exhaust, and potential for backfiring. Ultimately, the decision to purchase these headers depends on an individual's priorities, budget, and personal preferences.

V. Recommendation

If you are a muscle car enthusiast looking to enhance the performance and sound of your 1964-1967 Chevelle BB with a 396 or 454 cubic inch engine, Doug's Headers D332-B Tube Headers might be an excellent choice for you. However, consider your budget, noise sensitivity, and the potential for backfiring before making your purchase. If you are concerned about the cost or backfiring, you may consider alternative header options or consult with a performance expert for advice.

specifications maniheader:

  • for models: Chevelle
  • for years: 1964-67
  • brand: Dougs Headers
  • part type: Tube
  • manufacturer part number: D332-B

general maniheader:

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

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  • # reviews: 1721
  • rating: 98.7%

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offer maniheader:

  • quantity: 1
  • options: Ship-to-home
  • started: March 5, 2026
  • availability: In Stock
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for models: chevelle, for years: 1964-67, part type: tube,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 11011053562293752,

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