{"product_id":"header-collectors","title":"Header Collectors 2.5\" 3 Bolt Flange Inlet 2.5\" Outlet Pair","description":"\u003ch2\u003e2.5-Inch Stainless Steel Exhaust Header Collectors with O2 Sensor Bungs\u003c\/h2\u003e\n\u003cp\u003eComplete your custom exhaust system with these \u003cstrong\u003e2.5-inch stainless steel exhaust header collectors with integrated oxygen sensor bungs\u003c\/strong\u003e. Designed for headers using a standard \u003cstrong\u003e2.5-inch 3-bolt collector flange\u003c\/strong\u003e, these collectors provide a durable connection between your headers and exhaust tubing while giving you a convenient location for installing an oxygen sensor.\u003c\/p\u003e\n\u003cp\u003eEach collector features a \u003cstrong\u003efull 2.5-inch inlet and 2.5-inch outlet\u003c\/strong\u003e, helping maintain consistent exhaust flow without reducing the collector diameter. The welded O2 sensor bung is supplied with a threaded plug and can accommodate \u003cstrong\u003enarrowband or wideband oxygen sensors\u003c\/strong\u003e, making these collectors suitable for EFI systems, engine tuning, and custom exhaust applications.\u003c\/p\u003e\n\u003ch3\u003eAdjustable O2 Sensor Positioning\u003c\/h3\u003e\n\u003cp\u003eA key feature of these stainless steel header collectors is the \u003cstrong\u003efixed welded flange design\u003c\/strong\u003e. The collector can be bolted to the header in multiple orientations, allowing you to choose from \u003cstrong\u003ethree different clocking positions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis positioning flexibility makes it easier to locate the oxygen sensor where it has better clearance from the \u003cstrong\u003echassis, steering components, transmission, engine, and other exhaust components\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Custom Exhaust Systems\u003c\/h3\u003e\n\u003cp\u003eConstructed from \u003cstrong\u003ecorrosion-resistant stainless steel\u003c\/strong\u003e, these 2.5-inch exhaust collectors are designed for long-term durability in demanding automotive applications. They are well suited for \u003cstrong\u003eLS swaps, muscle cars, hot rods, street rods, race cars, engine swaps, and custom fabricated exhaust systems\u003c\/strong\u003e using a compatible 2.5-inch three-bolt collector flange.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a new exhaust system or modifying an existing header setup, these collectors provide a practical connection point while maintaining the 2.5-inch exhaust diameter and providing an integrated O2 sensor mounting location.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2.5-inch inlet and 2.5-inch outlet\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003e2.5-inch 3-bolt header collector flanges\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated welded \u003cstrong\u003eoxygen sensor\/O2 bung\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with \u003cstrong\u003enarrowband and wideband O2 sensors\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes threaded O2 bung plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThree selectable O2 sensor clocking positions\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps improve clearance around steering, chassis, transmission, and exhaust components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel construction for corrosion resistance and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for custom exhaust fabrication and header applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003eLS swap headers, muscle cars, hot rods, street rods, race cars, and engine swaps\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2 × Stainless Steel Header Collectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2 × Copper Collector Gaskets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6 × Collector Bolts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6 × Locking Flange Nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2 × O2 Bung Plugs Installed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size exhaust headers do these collectors fit?\u003c\/strong\u003e\u003cbr\u003eThese collectors are designed for headers equipped with a \u003cstrong\u003estandard 2.5-inch 3-bolt collector flange\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the inlet and outlet size?\u003c\/strong\u003e\u003cbr\u003eBoth the inlet and outlet are \u003cstrong\u003e2.5 inches\u003c\/strong\u003e, allowing the exhaust system to maintain the collector diameter without a built-in reduction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these collectors have oxygen sensor bungs?\u003c\/strong\u003e\u003cbr\u003eYes. Each collector has a \u003cstrong\u003ewelded oxygen sensor bung with a threaded plug\u003c\/strong\u003e, allowing installation of a narrowband or wideband O2 sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I change the O2 sensor position?\u003c\/strong\u003e\u003cbr\u003eYes. The collector can be bolted to the header in different orientations, providing \u003cstrong\u003ethree clocking positions\u003c\/strong\u003e to help position the O2 sensor and improve component clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these collectors suitable for LS swaps?\u003c\/strong\u003e\u003cbr\u003eYes. They are commonly used with \u003cstrong\u003eLS swap shorty headers and custom exhaust systems\u003c\/strong\u003e, provided the header uses a compatible 2.5-inch three-bolt collector flange.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are these exhaust collectors made from?\u003c\/strong\u003e\u003cbr\u003eThey are constructed from \u003cstrong\u003ecorrosion-resistant stainless steel\u003c\/strong\u003e for durability and long service life.\u003c\/p\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":56031707889986,"sku":"CAE-2.5x2.5-COLLECTOR","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/2.5_Stainless_Exhaust_Header_Collectors_with_O2_Bung.jpg?v=1788435398","url":"https:\/\/certifiedautomotiveexperts.com\/products\/header-collectors","provider":"Certified Automotive Experts","version":"1.0","type":"link"}