Doug's Headers® D308-R - 4-Tube Steel Raw Long Tube Exhaust Headers

4-Tube Steel Raw Long Tube Exhaust Headers (D308-R) by Doug's Headers®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Color: Black. Header Coating: Uncoated. 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.

Specifications

Features

• Doug's Headers D3373 Metallic Ceramic Coating
• 3/8" thick flanges
• CNC mandrel bent tubes... accurate fit & better flow
• Precision formed long transition collectors and long tube design... reduces backpressure and increases higher RPM horsepower
• Heavy 16 gauge tubing
• 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!