Unlock Your L67's Potential: Stainless Steel Headers for GM 3.8L Supercharged V6

Eliminate backpressure and let your supercharger scream. The GM 3800 Series II Supercharged engine (L67) is legendary for its torque and reliability, but the restrictive stock cast-iron manifolds hold it back. Our T-304 Stainless Steel Header Kit replaces those heavy, flow-choking manifolds with a high-performance 6-2-1 design. By improving exhaust scavenging, you reduce cylinder temperatures and allow your supercharger to work more efficiently, resulting in more horsepower, more torque, and improved throttle response.

Why Upgrade to These Headers?

• Superior Durability: Manufactured from CNC machined T-304 stainless steel piping with computerized TIG welded flanges. These headers are built to resist cracking and corrosion better than stock components.
• High-Flow Design: Features a 2-piece 6-2-1 design with massive 3.0" outlets. This layout optimizes exhaust pulses to scavenge gases from the cylinders efficiently.
• Direct Fitment: Engineered with pre-welded hangers for a direct bolt-on fitment to the factory exhaust hangers, minimizing the need for custom fabrication.
• OEM Quality Standards: Produced by OEM-approved manufacturers using materials that meet or exceed original equipment requirements.

Vehicle Compatibility

This kit is specifically designed for the 3.8L (231 CID) L67 Supercharged V6 engine in the following W-Body platforms:

Technical Specifications

• Material: T-304 Stainless Steel
• Inlet Size: 1.65" (41.91mm)
• Outlet Size: 3.0" (76.2mm)
• Configuration: 2-Piece 6-2-1 Header Kit + Downpipes

Let your Supercharged V6 breathe freely. Upgrade your exhaust flow today.