{"product_id":"2-5-3-bolt-header-collectors-stainless-steel-pair","title":"2.5\" 3-Bolt Header Collectors | Stainless Steel Pair","description":"\u003ch1\u003e2.5\" 3-Bolt Header Collectors – Stainless Steel Pair\u003c\/h1\u003e\n\u003cp\u003eCreate a clean connection between \u003cstrong\u003ecompatible 2.5-inch 3-bolt exhaust headers and a custom 2.5-inch exhaust system\u003c\/strong\u003e with these \u003cstrong\u003e2.5\" Header Collectors\u003c\/strong\u003e from Certified Automotive Experts. Designed for custom exhaust fabrication, these collectors feature a standard \u003cstrong\u003e2.5-inch 3-bolt flange and full 2.5-inch outlet\u003c\/strong\u003e, making the matched pair well suited for \u003cstrong\u003eLS swaps, hot rods, muscle cars, street rods, classic cars, and custom exhaust builds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike the O2-bung version, these \u003cstrong\u003e2.5-inch exhaust collectors feature a clean, uninterrupted tube with no oxygen sensor bung\u003c\/strong\u003e. This makes them a practical choice when the O2 sensor will be installed farther downstream in the exhaust system or when an oxygen sensor provision at the header collector is not required.\u003c\/p\u003e\n\u003cp\u003eThe collectors are manufactured from \u003cstrong\u003ecorrosion-resistant stainless steel\u003c\/strong\u003e and supplied as a matched pair. Stainless steel construction provides durability for automotive exhaust applications where components are exposed to high temperatures, moisture, and repeated exhaust heat cycles.\u003c\/p\u003e\n\u003cp\u003eEach pair includes \u003cstrong\u003etwo solid copper 2.5-inch 3-bolt collector gaskets\u003c\/strong\u003e. Copper provides a durable sealing surface capable of handling repeated exhaust heat cycles while conforming under flange clamping pressure for a reliable header-to-collector connection.\u003c\/p\u003e\n\u003cp\u003eThe package includes \u003cstrong\u003etwo 2.5-inch stainless steel header collectors and two copper 3-bolt collector gaskets\u003c\/strong\u003e. \u003cstrong\u003eBolts and nuts are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003e2.5-inch 3-bolt exhaust headers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull \u003cstrong\u003e2.5-inch exhaust outlet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClean \u003cstrong\u003eno-O2-bung design\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion-resistant \u003cstrong\u003estainless steel construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for custom exhaust fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003e2 copper 2.5-inch 3-bolt collector gaskets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupplied as a \u003cstrong\u003ematched pair\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for LS swaps, hot rods, muscle cars, street rods, and classic vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBolts and nuts \u003cstrong\u003enot included\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e2.5-Inch 3-Bolt Header Connection\u003c\/h2\u003e\n\u003cp\u003eEach collector features a \u003cstrong\u003estandard 2.5-inch 3-bolt flange\u003c\/strong\u003e, providing a straightforward connection to compatible exhaust headers. The full 2.5-inch outlet is designed to connect with compatible 2.5-inch exhaust tubing when building or modifying a custom exhaust system.\u003c\/p\u003e\n\u003cp\u003eThis makes these collectors a useful component for builders working on \u003cstrong\u003eLS engine swaps, performance exhaust systems, hot rods, muscle cars, street rods, and custom-built vehicles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eClean No-O2-Bung Design\u003c\/h2\u003e\n\u003cp\u003eThese collectors do not include an integrated oxygen sensor bung. The \u003cstrong\u003euninterrupted collector tube\u003c\/strong\u003e provides a simple exhaust path for applications where an O2 sensor is installed farther downstream.\u003c\/p\u003e\n\u003cp\u003eIf your exhaust system does not require an oxygen sensor provision at the collector, this no-bung design provides a clean and uncomplicated solution for custom exhaust fabrication.\u003c\/p\u003e\n\u003ch2\u003eStainless Steel Construction\u003c\/h2\u003e\n\u003cp\u003eThe collectors are made from \u003cstrong\u003ecorrosion-resistant stainless steel\u003c\/strong\u003e, providing durability for demanding automotive exhaust applications.\u003c\/p\u003e\n\u003cp\u003eStainless steel is well suited for exhaust components because of its resistance to corrosion and its ability to withstand the repeated temperature changes associated with engine and exhaust operation.\u003c\/p\u003e\n\u003ch2\u003eCopper Collector Gaskets Included\u003c\/h2\u003e\n\u003cp\u003eEach pair includes \u003cstrong\u003etwo solid copper 2.5-inch 3-bolt collector gaskets\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCopper provides a durable sealing surface designed to withstand repeated exhaust heat cycles. Its ability to conform under flange clamping pressure makes it well suited for header collector applications.\u003c\/p\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThese 2.5-inch header collectors are suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLS engine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmall Block Chevy applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBig Block Chevy applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHot rods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMuscle cars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStreet rods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClassic cars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClassic trucks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom exhaust systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance exhaust builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom exhaust fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included?\u003c\/h2\u003e\n\u003cp\u003eEach pair includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2 × 2.5\" stainless steel header collectors\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2 × 2.5\" copper 3-bolt collector gaskets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBolts and nuts are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeader Collector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Size\u003c\/td\u003e\n\u003ctd\u003e2.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Connection\u003c\/td\u003e\n\u003ctd\u003e3-Bolt Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Size\u003c\/td\u003e\n\u003ctd\u003e2.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO2 Sensor Bung\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGasket Material\u003c\/td\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGaskets Included\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003ePair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCustom Exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eHeader-to-Exhaust Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThese collectors are designed for exhaust headers using a compatible \u003cstrong\u003e2.5-inch 3-bolt collector flange\u003c\/strong\u003e and exhaust systems requiring a \u003cstrong\u003e2.5-inch outlet\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYour header collector diameter is \u003cstrong\u003e2.5 inches\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYour headers use a compatible \u003cstrong\u003e3-bolt flange pattern\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eYour exhaust system requires a \u003cstrong\u003e2.5-inch outlet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe collector dimensions provide sufficient clearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe header flange matches the collector configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis is a universal-style exhaust component and is not vehicle-specific.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size headers do these collectors fit?\u003c\/h3\u003e\n\u003cp\u003eThey are designed for compatible headers using a \u003cstrong\u003e2.5-inch 3-bolt collector flange\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat size is the outlet?\u003c\/h3\u003e\n\u003cp\u003eEach collector has a \u003cstrong\u003efull 2.5-inch outlet\u003c\/strong\u003e for connection to compatible exhaust tubing.\u003c\/p\u003e\n\u003ch3\u003eDo these collectors have O2 sensor bungs?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e These are the no-O2-bung collectors and feature a clean, uninterrupted tube.\u003c\/p\u003e\n\u003ch3\u003eAre these header collectors sold as a pair?\u003c\/h3\u003e\n\u003cp\u003eYes. The package includes \u003cstrong\u003etwo stainless steel 2.5-inch header collectors\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eAre copper collector gaskets included?\u003c\/h3\u003e\n\u003cp\u003eYes. \u003cstrong\u003eTwo 2.5-inch copper 3-bolt collector gaskets\u003c\/strong\u003e are included.\u003c\/p\u003e\n\u003ch3\u003eAre bolts and nuts included?\u003c\/h3\u003e\n\u003cp\u003eNo. \u003cstrong\u003eBolts and nuts are not included\u003c\/strong\u003e with this package.\u003c\/p\u003e\n\u003ch3\u003eAre these suitable for LS swaps?\u003c\/h3\u003e\n\u003cp\u003eYes. They are suitable for \u003cstrong\u003eLS swap applications\u003c\/strong\u003e when used with compatible headers featuring a 2.5-inch 3-bolt collector flange.\u003c\/p\u003e\n\u003ch3\u003eCan these be used for custom exhaust fabrication?\u003c\/h3\u003e\n\u003cp\u003eYes. These collectors are designed for \u003cstrong\u003ecustom exhaust systems and fabrication projects\u003c\/strong\u003e requiring a compatible 2.5-inch 3-bolt header connection and 2.5-inch outlet.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose These 2.5\" Header Collectors?\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003e2.5-inch stainless steel header collectors\u003c\/strong\u003e provide a straightforward solution for connecting compatible 3-bolt headers to a custom exhaust system. Their \u003cstrong\u003estandard 3-bolt flange, full 2.5-inch outlet, no-O2-bung design, stainless steel construction, and included copper collector gaskets\u003c\/strong\u003e make them a practical choice for a wide range of automotive exhaust projects.\u003c\/p\u003e\n\u003cp\u003eFrom \u003cstrong\u003eLS swaps and muscle cars to hot rods, street rods, classic cars, and custom exhaust builds\u003c\/strong\u003e, these collectors provide the connection needed to continue a compatible 2.5-inch exhaust system.\u003c\/p\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":55936763658562,"sku":"CAE-2.5x2.5-COLLECTOR-NB","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/2.5_3-Bolt_Header_Collectors_Stainless_Steel_Pair.jpg?v=1787571956","url":"https:\/\/certifiedautomotiveexperts.com\/products\/2-5-3-bolt-header-collectors-stainless-steel-pair","provider":"Certified Automotive Experts","version":"1.0","type":"link"}