Doug's Headers D455: 1-5/8" Long Tube Exhaust Header w/Metallic Ceramic Coating (FITS: 67-74 Mopar A Body Small Block)

• 1-5/8-inch Long Tube Exhaust Header with Metallic Ceramic Coating
• 3/8-inch Thick machined flanges to prevent warping
• Heavy duty 16-gauge tubing for long life

Doug's Headers D455: 1-5/8" Long Tube Exhaust Header w/Metallic Ceramic Coating 

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.

For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.

• 3/8-inch Thick machined flanges to prevent warping


• Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower


• Heavy duty 16-gauge tubing for long life


• Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating


• Finish: Metallic Ceramic Coated


• Material: Steel


• Design: Full-length


• Primary Tubing Diameter: 1.625-inches


• Collector Port Diameter: 3.0-inches


• Port Shape: SAP


• Tube Wall Thickness: 16 Gauge


• Flange Thickness: 0.375-inches


• Collector Attachment: 3-Bolt Flange


• Oxygen Sensor Port: No


• Gasket Or Seal Included: Yes


• Mounting Hardware Included: Yes


• Grade Type: Performance


• Color: Silver 


• Sheen Level: Semi-Gloss

Fitment Note: Header applications are based on original engine and cylinder head port centerlines unless otherwise noted. Raised port cylinder heads will cause installation issues.

FITS: (FITS: 67-74 Mopar A Body Small Block)