Corvette Exhaust System. 2.5 Inch 427 Auto-Welded Secondary Pipe & Muffler: 1966-1967

Revitalize your 1966–1967 Corvette with a purposebuilt exhaust upgrade that respects the era while delivering modern reliability. The Corvette Exhaust System features a 2.5 inch diameter and a precisely engineered autowelded secondary pipe and muffler, designed to enhance flow, tone, and overall drive experience for bigblock 427 powerplants.

Built for authentic performance in classic V8 muscle

Engineered to fit the factory routing on 1966–1967 Corvettes with a 427 cubic inch engine, this system uses welded secondary pipes for a seamless, leakresistant build. The combination of 2.5 inch tubing and a purposetuned muffler helps optimize exhaust scavenging, delivering a confident, rumbling note that stays smooth at highway speeds without overwhelming the cabin.

What makes this exhaust system different

• 2.5 inch diameter tubing tailored for the 427 V8, balancing backpressure and flow for strong throttle response.
• Autowelded secondary pipe and muffler for a solid, factorystyle fit with fewer joints and potential leak points.
• Directfit design aligned to the classic Corvette exhaust path, simplifying installation for restoration or performance updates.
• Durable construction built to withstand the heat and stresses of daily driving while preserving the iconic sound and character of the era.

Ideal for

• Restoration projects on 1966–1967 Corvette models powered by the 427 bigblock
• Owners looking to replace aged, rusted, or leaking exhaust components with a single, welded solution
• Enthusiasts seeking a balanced, authentic exhaust tone that complements the V8’s natural dynamics

Practical notes and care

Note: Due to package size, an additional shipping charge may apply to this item. Professional installation is recommended to ensure proper alignment and secure mounting. After installation, periodic checks of hangers and clamps will help maintain a quiet, leakfree system and preserve longterm performance.

Why choose this system over others

This exhaust system emphasizes a factorystyle fit with welded joints, reducing the likelihood of leaks and rattles associated with bolttogether designs. Its 2.5 inch sizing and tailored muffler tuning offer a measured, authentic exhaust character that respects the original Corvette voice while delivering dependable performance and easier maintenance.