Doug's Headers® D326 - 4-Tube Steel Metallic Ceramic Coated Long Tube Exhaust Headers

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Product Details

4-Tube Steel Long Tube Exhaust Headers (D326) by Doug's Headers®. Primary Tubing Diameter: 1.875". Collector Outlet Diameter: 3.5". Color: Silver. Header Coating: Ceramic Coating. Header Style: Long Tube. Doug's headers are carefully developed on the vehicles they are intended to fit and are re-checked numerous times during the design and manufacturing process.

Doug's Headers


Series: 4-Tube
Header Material: Steel
Finish: Metallic Ceramic Coated
Header Style: Long Tube
Primary Diameter: 1.875"
Collector Diameter: 3.5"


  • High quality at an affordable price
  • Expertly made from premium materials
  • Built to match your exact requirements

Doug's PASSENGER CAR HEADERS Long Tube Metallic Ceramic Coated Header development and design is complex and requires a substantial amount of time and resources to do the job right! Many manufacturers are unwilling to make the commitment and instead offer compromised headers at lower prices. Doug's will not compromise performance, quality or fit to compete with inferior designs at cheap prices. Every Doug's header is tuned with the proper tube size and length to efficiently remove all the exhaust from each cylinder, reducing pumping losses resulting in a dramatic increases in horsepower and torque.

Tubes are pre-polished to remove scratches and the header is finished with a Metallic Ceramic Thermal Barrier Coating polished to a high luster appearance offering corrosion and heat resistance up to 1400 degrees.

Doug's Headers® are ideal for muscle cars, street rods, and race cars, as well as trucks, SUVs, and motorhomes. With more than 50 years of experience, Doug's Headers is a name you can trust for superior quality and fit. Doug has been elected to five different drag racing halls of fame and is truly a pioneer in the manufacturing of high performance exhaust systems!

Part Number:

Vehicle Fitment

Chevy Camaro
1981 Chevy Camaro
  • 4.4L / 5.0L / 5.7L
1980 Chevy Camaro
  • 4.4L / 5.0L / 5.7L
1979 Chevy Camaro
  • 5.0L / 5.7L
1978 Chevy Camaro
  • 5.0L / 5.7L
1977 Chevy Camaro
  • 5.0L / 5.7L
1976 Chevy Camaro
  • 5.0L / 5.7L
1975 Chevy Camaro
  • 5.7L Power Steering
1974 Chevy Camaro
  • 5.7L Power Steering
1973 Chevy Camaro
  • 5.0L Power Steering Automatic Transmission
  • 5.7L Power Steering Standard Transmission
1972 Chevy Camaro
  • 5.0L / 5.7L Power Steering
1971 Chevy Camaro
  • 5.0L Power Steering
  • 5.7L Power Steering Automatic Transmission
1970 Chevy Camaro
  • 5.0L / 5.7L Power Steering
Chevy Nova
1979 Chevy Nova
  • 5.0L / 5.7L Power Steering
1978 Chevy Nova
  • 5.0L / 5.7L Power Steering
1977 Chevy Nova
  • 5.0L / 5.7L Power Steering
1976 Chevy Nova
  • 5.0L / 5.7L Power Steering
1975 Chevy Nova
  • 5.7L Power Steering
Pontiac Firebird
1981 Pontiac Firebird
  • 5.0L
1980 Pontiac Firebird
  • 5.0L
1979 Pontiac Firebird
  • 5.0L / 5.7L
1978 Pontiac Firebird
  • 5.0L / 5.7L
1977 Pontiac Firebird
  • 5.0L
Low Prices Price match guarantee
In-House Experts We know our products
Guaranteed Fitment Always the correct part
Easy Returns Quick & Hassle Free

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