{"product_id":"blox-racing-jdm-honda-header-collector-flange-2-5inch-stainless-steel","title":"BLOX Racing JDM Honda Header Collector Flange - 2.5inch (Stainless Steel)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eBXFL-00110\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eBLOX Racing JDM Honda Header Collector Flange - 2.5inch (Stainless Steel) 1988-2001 Civic Integra\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe BLOX Racing JDM Honda Header Collector Flange features a 2.5-inch stainless steel design machined for custom exhaust headers on 1988-2001 Honda Civic and Acura Integra models with B-series D-series H-series and F-series engines. This flange merges four primaries into one collector for smoother exhaust flow reduced backpressure and noticeable gains in horsepower and throttle response. JDM enthusiasts rely on it for authentic high-performance builds.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Build:\u003c\/strong\u003e High-grade 304 stainless resists heat corrosion and fatigue for reliable long-term use in demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5-Inch Collector Outlet:\u003c\/strong\u003e Matches popular 2.5-inch piping to maintain velocity and support flows up to 400hp without restriction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Primary Bolt Pattern:\u003c\/strong\u003e 4-bolt pattern sized for standard B\/D\/H\/F-series tubes ensures direct fit during header fabrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Precision Machining:\u003c\/strong\u003e 0.38-inch thick flange with exact tolerances prevents leaks and aligns perfectly for pro-level results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Merge Design:\u003c\/strong\u003e Smooth transition from primaries to collector minimizes turbulence for peak scavenging and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIntended for custom header fabrication with compatible primary tubes.\u003c\/li\u003e\n\u003cli\u003eInspect tube diameters to confirm match with 1.5-inch or 1.625-inch Honda primaries.\u003c\/li\u003e\n\u003cli\u003ePackaged to prevent shipping damage with protective foam inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eWeld outlet to 2.5-inch exhaust piping using TIG method for best results.\u003c\/li\u003e\n\u003cli\u003eBolts to header primaries with M8 hardware not included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1991\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic\u003c\/td\u003e\n\u003ctd\u003eEF SiR B16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic\u003c\/td\u003e\n\u003ctd\u003eEG SiR B16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eIntegra\u003c\/td\u003e\n\u003ctd\u003eGSR B18C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-2000\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic\u003c\/td\u003e\n\u003ctd\u003eEK Si B16A2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-2001\u003c\/td\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eIntegra\u003c\/td\u003e\n\u003ctd\u003eType R B18C5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1993-1997\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eDel Sol\u003c\/td\u003e\n\u003ctd\u003eVTEC B16B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1996\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003ePrelude\u003c\/td\u003e\n\u003ctd\u003eSi H22A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994-1997\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eAccord\u003c\/td\u003e\n\u003ctd\u003eEX F22B1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose BLOX Racing?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in JDM racing circuits for consistent power delivery.\u003c\/li\u003e\n\u003cli\u003eManufactured with premium materials and strict quality controls.\u003c\/li\u003e\n\u003cli\u003eEngineered by Honda specialists for exact OEM-plus fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Which Honda engines is this flange compatible with?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed for B-series B16 B18 D-series D16 H-series H22 and F-series F20 F22 F23 engines in JDM and USDM applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the material and thickness?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Constructed from durable 304 stainless steel with 0.38-inch flange thickness to handle extreme exhaust temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does installation require special tools or welding?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Bolts to primaries and requires TIG welding to collector pipe professional fab shop advised for optimal sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e 8 x 6 x 4 inch box with foam protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BLOX Racing","offers":[{"title":"Default Title","offer_id":43759289106511,"sku":"BLOBXFL-00110","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/blox-racing-jdm-honda-header-collector-flange-2_5inch-stainless-steel-blox-racing.jpg?v=1767415395","url":"https:\/\/www.blackopsautoworks.com\/products\/blox-racing-jdm-honda-header-collector-flange-2-5inch-stainless-steel","provider":"Black Ops Auto Works","version":"1.0","type":"link"}