Mainfold Long Tube Exhaust Header for Chevrolet Camaro/Pontiac Firebird (1982-1992) 5.7L V8 Engine

Maximize Your LS-Swap Scavenging: Long Tube Headers for 3rd Gen F-Body

Who It’s For: Engineered for 1982-1992 Camaro and Firebird owners running the LS-Series powerplant who are tired of the stock sluggishness and restrictive cast iron manifolds found in budget swap kits.

The Symptom: The factory exhaust path on a 3rd Generation F-Body was never designed for the high-velocity displacement of a modern LS-Series engine. When you swap in a high-output V8, using shorty headers or log-style manifolds creates massive backpressure that traps spent gasses in the combustion chamber. This heat soak and gas interference kills your top-end horsepower and leaves your throttle feeling disconnected when you’re trying to power out of a corner or merge onto the highway.

The Engineering Fix: This 4-2-1 long tube system utilizes mandrel-bent T-304 stainless steel to maintain a constant internal diameter, ensuring laminar flow throughout the primary tubes. By lengthening the path before the collector, we tap into the physics of exhaust scavenging; the high-velocity pulse from one cylinder actually creates a vacuum that helps pull the exhaust out of the next firing cylinder. This kit includes a dedicated Y-pipe designed specifically to clear the 1982-1992 subframe, providing a direct bolt-on solution that maximizes oxygen intake by clearing the exit path.

Why Mechanics Choose This Kit

• Optimized Scavenging: The 4-2-1 design is specifically tuned to broaden the torque curve of the LS-Series engine, providing better mid-range "grunt" compared to standard shorty headers.
• Superior Thermal Management: Constructed from heavy-duty T-304 stainless steel with TIG-welded flanges, these headers handle the extreme EGTs (Exhaust Gas Temperatures) of a performance V8 without warping or cracking.
• Integrated Y-Pipe Solution: Eliminates the guesswork of custom fabrication by providing a matched Y-pipe that navigates the tight F-Body chassis while maintaining maximum ground clearance for lowered vehicles.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 1982-1992 Chevrolet Camaro (LS-Swap Models Only)
• 1982-1992 Pontiac Firebird (LS-Swap Models Only)
• Note: Fits Automatic Transmission Models with 4.8L / 5.3L / 5.7L / 6.0L / 6.2L / 7.0L Small Block LS-Based V8 Engines Only.

Interchange Part Numbers:

1.5 INCH INLET, 2.5 INCH OUTLET, T304 STAINLESS, 4-2-1 DESIGN, LS-SWAP-F-BODY-HDR

The Performance Promise

Buy with confidence. We know the 3rd Gen chassis inside and out. These headers are designed to give your LS-Series swap the breathing room it deserves. Backed by real automotive experts and fast shipping.