SKU: HED68026
MPN: 68026
The Hedman Headers 78-88 GM G-Body Black Maxx exhaust headers are engineered for classic muscle car enthusiasts and restoration builders seeking maximum scavenging efficiency and aggressive underhood aesthetics. Designed specifically for second-generation G-Body platforms (Monte Carlo, Regal, Cutlass), these headers replace restrictive OEM cast-iron manifolds with free-flowing tubular construction. Whether you're building a LS-swap restomod or optimizing a carbureted small-block, this header set transforms exhaust gas evacuation and unlocks genuine horsepower gains that direct bolt-in manifolds simply cannot deliver.
These headers feature 1.75-inch primary tubes that converge into a high-flowing 3-inch collector, a proven geometry for balancing scavenging and velocity across the RPM range. The steel construction is coated in silver ceramic finish, which resists thermal cycling stress better than bare steel while preserving the classic hot-rod appearance. The pair includes gaskets and mounting hardware, eliminating the need for secondary purchases and ensuring a complete installation from the box. The substantial 25.21-pound weight reflects quality tubular steel gauge and reinforced collector construction designed for durability through thousands of heat cycles.
Mechanics and engine builders favor the Hedman Headers 78-88 GM G-Body Black Maxx for both small-block Chevy and modern LS-swap applications in classic G-Body frames. Installation requires basic hand tools and manifold removal—no exotic welding or modification necessary for stock engine bays. These headers significantly improve exhaust scavenging, reduce backpressure, and free up 15–25 rear-wheel horsepower in naturally aspirated configurations. The included gaskets ensure an airtight seal, while the ceramic coating minimizes underhood heat radiation and slows collector corrosion, extending long-term reliability in driver vehicles and weekend warriors alike.
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