1. Manifolds & Headers Offered
  2. sku: 4752066239607504
  3. DOUGS HEADERS D3349

DOUGS HEADERS D3349 Gm Body Ls Tube Coat 694342555504 64-67

D3349 Dougs Headers 64-67 Gm A Body Ls Long Tube Silver Coat

( Brand: Dougs Headers ), ( Part Type: Tube ), ( Manufacturer Part Number: D3349 ), ( Collector Attachment: V-band ), ( Collector Diameter: 3.0 In ), ( Color: Silver ), ( Cylinder Head Port Shape: Round ), ( Design: Full-length ), ( Egt Port: No ), ( Finish: Metallic Ceramic Coated ), ( Flange Thickness: 0.375 In ), ( Gasket Or Seal Included: Yes ), ( Grade Type: Performance ), ( Header Material: Steel ), ( Primary Tube Outside Diameter: 1.875 In ), ( Prop 65: C ), ( R Or Cr : Cr ), ( Prop 65 Short Label: Warning.jpg ), ( Tube Wall Thickness: 16 Gu ), ( Country Of Origin: Mexico ), ( UPC: 694342555504 )

Review DOUGS HEADERS 64-67 Gm Body Ls Long Tube Silver Coat

Doug's Headers D3349 is a high-performance exhaust header system specifically designed for 64-67 GM body LS engines. This header system is engineered to deliver improved engine breathing and enhanced power output, making it an excellent choice for performance enthusiasts and racers.

The D3349 header system is constructed from premium 304 stainless steel, ensuring durability and resistance to corrosion. Each header tube is precisely crafted using Computer Aided Design (CAD) technology and Computer Numerical Control (CNC) machining for a perfect fit and optimal engine performance. The tubes feature a 1.625-inch primary diameter, which provides a smooth and efficient exhaust flow for optimal power gains and improved engine response.

The collector design of the Doug's Headers D3349 system is optimized for maximum flow and minimal backpressure, allowing the engine to breathe more freely and deliver more power to the wheels. The collector is also designed to be easily adapted to various exhaust systems, providing flexibility for builders and racers.

Additionally, the Doug's Headers D3349 system includes a set of high-quality 304 stainless steel header gaskets to ensure a proper seal between the header and the engine block. The gaskets are precision-engineered to provide a perfect seal and prevent exhaust leaks, ensuring optimal engine performance and longevity.

Overall, the Doug's Headers D3349 64-67 GM body LS tube coat is an exceptional performance upgrade for anyone looking to maximize the power output and efficiency of their LS engine. With its premium construction materials, precise engineering, and innovative design, this header system is sure to deliver impressive power gains and improved engine response, making it a must-have for any serious performance enthusiast or racer.

Doug's Headers D3349 64-67 GM Body LS Tube Coated Exhaust Header Set is a performance aftermarket product designed to replace the stock exhaust headers in Chevrolet and GMC trucks from the 1964 to 1967 era with the LS engine swap. Here are some potential pros and cons of purchasing this header set:

Pros:

1. Improved Performance: Doug's Headers are designed to provide better exhaust flow and scavenging, resulting in improved engine performance, increased horsepower, and better throttle response.

2. Tube Coating: The headers come with a high-temperature ceramic coating that protects the exhaust system from corrosion and heat, ensuring durability and longevity.

3. Easy Installation: Doug's Headers are designed to be a bolt-on replacement for the stock headers, making the installation process relatively straightforward for those with some DIY experience.

4. Compatibility: The headers are specifically designed for the 64-67 GM Body LS engine swap, ensuring a perfect fit and compatibility with other aftermarket performance parts.

Cons:

1. Cost: Doug's Headers are a premium aftermarket product, and the cost may be a significant investment for some enthusiasts.

2. Required Modifications: Depending on the specific vehicle and engine configuration, some modifications may be required for proper installation, such as exhaust manifold gaskets, oxygen sensors, and catalytic converters.

3. Loud Exhaust: The headers may produce a louder exhaust note compared to the stock headers, which some people may find unpleasant or disturbing.

4. Potential for Check Engine Light: Depending on the specific vehicle and its emissions control systems, installing aftermarket headers like Doug's Headers may trigger the check engine light due to the lack of oxygen sensors and catalytic converters in the headers.

Conclusion:

Doug's Headers D3349 64-67 GM Body LS Tube Coated Exhaust Header Set is a high-performance aftermarket product designed to provide improved exhaust flow, durability, and compatibility for the LS engine swap in classic Chevrolet and GMC trucks. However, it comes with a significant investment and potential modifications, louder exhaust note, and potential check engine light concerns. Ultimately, the decision to purchase these headers depends on individual priorities and preferences.

Recommendation:

If you're looking for a significant power increase and want a durable, long-lasting exhaust header solution for your LS-swapped classic Chevrolet or GMC truck, Doug's Headers D3349 may be an excellent investment. However, be prepared for the potential costs, modifications, and noise level. It's essential to consider the trade-offs carefully and ensure that your specific vehicle and engine configuration are compatible before making a purchase.

part # d3349 prices

  • $790.78-$897.17

specifications maniheader:

  • brand: Dougs Headers
  • part type: Tube
  • manufacturer part number: D3349
  • collector attachment: V-band
  • collector diameter: 3.0 In
  • color: Silver
  • cylinder head port shape: Round
  • design: Full-length
  • egt port: No
  • finish: Metallic Ceramic Coated
  • flange thickness: 0.375 In
  • gasket or seal included: Yes
  • grade type: Performance
  • header material: Steel
  • primary tube outside diameter: 1.875 In
  • prop 65: C
  • r or cr : Cr
  • prop 65 short label: Warning.jpg
  • tube wall thickness: 16 Gu
  • country of origin: Mexico
  • upc: 694342555504

seller maniheader:

  • rating: 97.9%
  • # reviews: 957

offer maniheader:

  • sold: 0
  • availability: In Stock
  • quantity: 2
  • started: March 29, 2025
  • options: Ship-to-home

returns maniheader:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted

general maniheader:

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

shipping maniheader:

  • class: Standard
  • type: Fixed
  • service: UPS Ground
  • cost: $0.00
  • transit: 3-6 Days
  • carrier: UPS

payments maniheader:

  • other
  • wallet: Paypal
  • credit card: Mastercard
part type: tube, collector attachment: v-band, collector diameter: 3.0 in, cylinder head port shape: round, design: full-length, egt port: no, finish: metallic ceramic coated, flange thickness: 0.375 in, gasket or seal included: yes, grade type: performance, header material: steel, primary tube outside diameter: 1.875 in, prop 65: c, r or cr: cr, prop 65 short label: warning.jpg, tube wall thickness: 16 gu, country of origin: mexico,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: silver, sku: 4752066239607504,

Dougs Headers D3349 Is Similar To:

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3 offers $790.78–$897.17 USD
  • Offer #1: $891.94 price + free delivery = $891.94* total. Easy to install with all included components, these headers are an excellent choice for enthusiasts seeking to maximize their engine s potential while maintaining quality and durability. Crafted from durable steel with a sleek silver ceramic coating, these headers provide excellent heat resistance and corrosion protection.FREE SHIPPING
  • Offer #2: $790.78 price + free delivery = $790.78* total. With a focus on durability and optimal exhaust flow, the DOUGS HEADERS -B set is an ideal choice for performance-minded GM enthusiasts. Constructed from durable steel with a sleek black paint finish, these headers provide both performance and style.FREE SHIPPING
  • Offer #3: $897.17 price + free delivery = $897.17* total. This set includes gaskets, hardware, and reducers for a seamless installation process.FREE SHIPPING