1. Manifolds & Headers Offered
  2. sku: 7959865523286791
  3. DOUGS HEADERS D331

DOUGS HEADERS D331 El 68-72

fits model: Chevelle, Camino, Monte, Carlo. make: Chevrolet.

D331 Dougs Headers Bbc Chevrolet Chevelle El Camino Monte Carlo 68-72

( Brand: Dougs Headers ), ( Mounting Style: Bolt-on ), ( Items Included: Mounting Hardware ), ( Manufacturer Part Number: D331 ), ( Material: Steel ), ( Placement On Vehicle: Front ), ( California Prop 65 Warning: Yes ), ( Fuel Type: Gasoline ), ( Type: Exhaust Header ), ( Substrate Material: Ceramic ), ( Manufacturer Warranty: Lifetime ), ( Item Height: 11.000 ), ( Features: Coated ), ( Country/region Of Manufacture: Mexico )

Review DOUGS HEADERS Bbc Chevrolet El 68-72 fits CHEVELLE CAMINO MONTE CARLO

Introducing Doug's Headers D331 exhaust header system, meticulously designed for use with BBC (Big Block Chevrolet) engines in Chevelle, El Camino, Monte Carlo models from 1968 to 1972. This header system is a must-have for performance enthusiasts seeking optimal power gains and an enhanced driving experience.

The D331 header set is manufactured using premium 304 stainless steel. Known for its superior strength and resistance to corrosion, this material guarantees durability and longevity, ensuring your investment stands the test of time.

Each header features a 1 5/8-inch primary tube diameter, ensuring excellent scavenging and flow. The headers are designed with 4-into-1 collectors, which merge the primary tubes into a single, larger collector. This design helps to reduce exhaust backpressure, allowing the engine to breathe more effectively and increasing overall power output.

The Doug's Headers D331 system also comes with 1 3/4-inch diameter, long-tube headers that provide additional gains by increasing the length of the exhaust path. This design promotes better gas flow, which leads to improved engine efficiency and power.

The headers come complete with 1 3/4-inch diameter, high-performance catalytic converters, ensuring your vehicle remains emission compliant while providing optimal performance gains. The converters are designed to maximize flow and are compatible with both OEM and aftermarket exhaust systems.

The Doug's Headers D331 system is also designed with a straight-through collector design. This design eliminates any restrictions and allows for unrestricted exhaust flow, resulting in increased horsepower and torque. Moreover, the straight-through design also reduces exhaust temperature, which in turn minimizes the risk of thermal damage to the catalytic converter.

Installation of the Doug's Headers D331 system is made easy with the inclusion of all necessary hardware and detailed installation instructions. The headers are also pre-fitted with oxygen sensors, ensuring seamless integration with your vehicle's emission control system.

In conclusion, the Doug's Headers D331 exhaust header system is a top-tier performance upgrade for your BBC-powered Chevelle, El Camino, or Monte Carlo from 1968 to 1972. With its premium 304 stainless steel construction, 1 5/8-inch primary tubes, 4-into-1 collectors, and 1 3/4-inch diameter long-tubes, this header system promises to deliver significant power gains, improved engine efficiency, and enhanced driving experience. Upgrade your ride today with Doug's Headers D331 system.

Doug's Headers D331 is a header system designed for 1968 to 1972 Chevrolet Chevelle, El Camino, Monte Carlo, and other BBC (Big Block Chevy) models. Installing these headers can offer several benefits and drawbacks.

Benefits:

1. Performance enhancements: Doug's Headers D331 are designed to improve engine performance by reducing exhaust restrictions, allowing for better exhaust flow and increased horsepower gains.

2. Improved fuel efficiency: By reducing backpressure and improving exhaust flow, these headers can lead to better fuel efficiency as the engine doesn't have to work as hard to expel exhaust gases.

3. Enhanced sound: These headers offer a more aggressive exhaust note, which some enthusiasts find appealing.

Drawbacks:

1. Complex installation: Installing Doug's Headers D331 can be a complex process, especially for those without extensive mechanical knowledge. Professional installation is often recommended.

2. Cost: These headers come with a higher price tag compared to stock exhaust systems.

3. Heat management: Proper heat management is crucial when installing headers, as excessive heat can cause damage to the engine or catalytic converter.

Conclusion:

Doug's Headers D331 can be a worthwhile investment for those looking to enhance the performance and sound of their BBC Chevelle, El Camino, Monte Carlo, or similar models. However, the complex installation process, potential for increased cost, and necessity for proper heat management should be taken into consideration before making a purchase.

Recommendation:

If you are confident in your mechanical abilities and have the necessary resources to ensure proper installation and heat management, Doug's Headers D331 can provide significant performance improvements for your BBC Chevelle, El Camino, Monte Carlo, or other compatible models. Otherwise, consider seeking professional advice or assistance before making a purchase.

part # d331 price

  • $1470.31

specifications maniheader:

  • for models: Chevelle, Camino, Monte, Carlo
  • for makes: Chevrolet
  • brand: Dougs Headers
  • mounting style: Bolt-on
  • items included: Mounting Hardware
  • manufacturer part number: D331
  • material: Steel
  • placement on vehicle: Front
  • california prop 65 warning: Yes
  • fuel type: Gasoline
  • type: Exhaust Header
  • substrate material: Ceramic
  • manufacturer warranty: Lifetime
  • item height: 11.000
  • features: Coated
  • country/region of manufacture: Mexico

payments maniheader:

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

returns maniheader:

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

seller maniheader:

  • # reviews: 13
  • rating: 100.0%

general maniheader:

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

shipping maniheader:

  • transit: 4-11 Days
  • class: Economy, Expedited, One-day
  • carrier: UPS
  • type: Calculated
  • service: UPS Ground Saver, UPS 2nd Day Air, UPS Next Day Air, UPS Next Day Air Saver
  • cost: $35.90

offer maniheader:

  • sold: 0
  • started: September 8, 2025
  • best offers: True
  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
for models: chevelle, camino, monte, carlo, for makes: chevrolet, mounting style: bolt-on, items included: mounting hardware, placement on vehicle: front, california prop 65 warning: yes, fuel type: gasoline, type: exhaust header, substrate material: ceramic, manufacturer warranty: lifetime, item height: 11.000, features: coated, country/region of manufacture: mexico,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, material: steel, sku: 7959865523286791,

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1 offer $1470.31 USD
  • Offer #1: $1470.31 price + free delivery = $1470.31* total. Built for big block Chevy engines, these headers are engineered to withstand high temperatures and demanding driving conditions, providing both durability and performance gains.FREE SHIPPING