{"product_id":"corvette-exhaust-system-25-inch-427-auto-welded-secondary-pipe-muffler-1966-1967","title":"Corvette Exhaust System. 2.5 Inch 427 Auto-Welded Secondary Pipe \u0026 Muffler: 1966-1967","description":"\u003cdiv\u003e\n\u003cp\u003eRevitalize 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.\u003c\/p\u003e \u003ch2\u003eBuilt for authentic performance in classic V8 muscle\u003c\/h2\u003e\n\u003cp\u003eEngineered 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.\u003c\/p\u003e \u003ch2\u003eWhat makes this exhaust system different\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2.5 inch diameter\u003c\/strong\u003e tubing tailored for the 427 V8, balancing backpressure and flow for strong throttle response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAutowelded secondary pipe and muffler\u003c\/strong\u003e for a solid, factorystyle fit with fewer joints and potential leak points.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirectfit design\u003c\/strong\u003e aligned to the classic Corvette exhaust path, simplifying installation for restoration or performance updates.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e built to withstand the heat and stresses of daily driving while preserving the iconic sound and character of the era.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRestoration projects on 1966–1967 Corvette models powered by the 427 bigblock\u003c\/li\u003e \u003cli\u003eOwners looking to replace aged, rusted, or leaking exhaust components with a single, welded solution\u003c\/li\u003e \u003cli\u003eEnthusiasts seeking a balanced, authentic exhaust tone that complements the V8’s natural dynamics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical notes and care\u003c\/h2\u003e\n\u003cp\u003eNote: 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.\u003c\/p\u003e \u003ch2\u003eWhy choose this system over others\u003c\/h2\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CA","offers":[{"title":"Default Title","offer_id":40981628125233,"sku":"A237194DS","price":1027.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/4078\/files\/medium_d030514d-1557-4cf7-802a-97868f7ed4da.jpg?v=1777043261","url":"https:\/\/www.corvetteguys.com\/products\/corvette-exhaust-system-25-inch-427-auto-welded-secondary-pipe-muffler-1966-1967","provider":"CorvetteGuys.com","version":"1.0","type":"link"}