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Doug's Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Doug's Headers lineup with fast shipping and expert fitment support — order with confidence.
Maximize the power output of your Big Block Chevy with the Doug's Headers D313 Full Length Headers. Engineered for superior exhaust flow and performance, these headers are a critical upgrade for any enthusiast looking to enhance their engine's capabilities. Constructed from high-quality steel and finished with a protective ceramic coating, they offer excellent durability and resistance to extreme temperatures.
The D313 headers feature 1.75-inch primary tubes, a popular size that balances low-end torque with high-RPM horsepower gains for Big Block Chevy engines. The 3-inch collector is designed for optimal exhaust gas velocity and flow. These full-length headers are designed to improve exhaust scavenging, leading to significant increases in horsepower, torque, and throttle response. The ceramic coating provides a durable barrier against heat and corrosion, helping to maintain performance and appearance over time. Suitable for various GM applications, these headers offer a great combination of performance and value. Upgrade your Big Block Chevy's exhaust system with these premium headers from Doug's Headers, available at GGCRACING.
Other popular Doug's Headers products customers consider together:
Doug's Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Doug's Headers lineup with fast shipping and expert fitment support — order with confidence.
Maximize the power output of your Big Block Chevy with the Doug's Headers D313 Full Length Headers. Engineered for superior exhaust flow and performance, these headers are a critical upgrade for any enthusiast looking to enhance their engine's capabilities. Constructed from high-quality steel and finished with a protective ceramic coating, they offer excellent durability and resistance to extreme temperatures.
The D313 headers feature 1.75-inch primary tubes, a popular size that balances low-end torque with high-RPM horsepower gains for Big Block Chevy engines. The 3-inch collector is designed for optimal exhaust gas velocity and flow. These full-length headers are designed to improve exhaust scavenging, leading to significant increases in horsepower, torque, and throttle response. The ceramic coating provides a durable barrier against heat and corrosion, helping to maintain performance and appearance over time. Suitable for various GM applications, these headers offer a great combination of performance and value. Upgrade your Big Block Chevy's exhaust system with these premium headers from Doug's Headers, available at GGCRACING.
Other popular Doug's Headers products customers consider together:
