Gibson GP312S-C Ceramic Coated Stainless Steel Performance Exhaust Header

The Gibson GP312S-C is a ceramic coated stainless steel short-tube performance header engineered to replace your factory exhaust manifolds and unlock more usable power across the RPM range. Dyno-tuned for real-world driving conditions, this header improves exhaust scavenging to deliver increased horsepower and torque at low and mid-range RPM—where you need it most—while also reducing under-hood operating temperatures.

Constructed from 16-gauge stainless steel mandrel-bent tubing measuring 1.50 inches in diameter, this header is built to maintain smooth, unrestricted exhaust flow. The durable ceramic coating provides superior heat resistance and long-term corrosion protection compared to bare or painted finishes. Heavy-duty 3/8-inch laser-cut port flanges ensure a precision seal, eliminating the warping and exhaust leaks common with thinner stamped flanges.

Key Features:

• Dyno-tuned short-tube header design for maximum low and mid-range power gains
• Ceramic coated 16-gauge stainless steel mandrel-bent 1.50" tubing
• 3/8" heavy-duty laser-cut port flanges — no warping or leaking
• Direct bolt-on replacement for OEM exhaust manifolds — no welding required
• Attaches to the factory stock crossover pipe using OEM-style connections
• Air injection and oxygen sensor fittings included
• Premium gaskets and all installation hardware included
• Compatible with lowered and raised vehicles, street and off-road use
• 50-state street legal — meets all EPA and CARB emissions requirements
• Will not void the factory powertrain warranty
• Backed by Gibson's Lifetime Limited Warranty
• Made in the USA

Engineered as a hassle-free, direct-fit upgrade, the GP312S-C installs using existing OEM mounting points with no cutting, welding, or fabrication required. Whether you're building a performance street truck or an off-road rig, Gibson's proven header design delivers measurable results right out of the box.