{"product_id":"bull-boost-performance-k-series-1018-steel-exhaust-header-flange","title":"Bull Boost Performance K-Series 1018 Steel Exhaust Header Flange","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3\u003eBull Boost Performance K-Series 1018 Steel Exhaust Header Flange\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 729859401898\u003c\/p\u003e\n\u003cp\u003eBuild a stronger, more reliable turbo manifold or exhaust header with the \u003cstrong\u003eBull Boost Performance K-Series 1018 Steel Exhaust Header Flange\u003c\/strong\u003e. Precision CNC-machined from premium \u003cstrong\u003e1018 mild steel\u003c\/strong\u003e, this heavy-duty flange is designed for fabricators, racers, and performance enthusiasts who demand superior fitment, strength, and long-term durability.\u003c\/p\u003e\n\u003cp\u003eFeaturing a precision-machined \u003cstrong\u003e3D port design\u003c\/strong\u003e, this flange promotes smoother exhaust flow transitions while providing excellent weldability and fabrication flexibility. The robust \u003cstrong\u003e1\/2-inch thick construction\u003c\/strong\u003e helps prevent warping under extreme heat and boost conditions, making it ideal for naturally aspirated, turbocharged, street, drag racing, and road racing applications.\u003c\/p\u003e\n\u003cp\u003eManufactured in the USA to professional fabrication standards, this flange is engineered to deliver consistent sealing, accurate fitment, and long service life.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured by \u003cstrong\u003eBull Boost Performance\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCNC machined in-house\u003c\/li\u003e\n\u003cli\u003ePremium 1018 steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision 3D port design\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 1\/2\" thick flange\u003c\/li\u003e\n\u003cli\u003eExcellent TIG and MIG weldability\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant design\u003c\/li\u003e\n\u003cli\u003eIdeal for turbo manifold fabrication\u003c\/li\u003e\n\u003cli\u003eSuitable for custom exhaust header construction\u003c\/li\u003e\n\u003cli\u003eImproved sealing surface for maximum reliability\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering \u0026amp; Construction:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Machined 1018 Mild Steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed from premium-grade 1018 steel for excellent strength, durability, and welding characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision 3D Port Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachined port entries provide a smooth transition into runners, helping improve exhaust flow and fabrication quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty 1\/2\" Thickness\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to resist warping and maintain gasket sealing integrity under extreme temperatures and high-performance conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFabricator Friendly Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for TIG and MIG welding and ideal for custom turbo manifold and header fabrication projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 1018 Mild Steel\u003c\/li\u003e\n\u003cli\u003eThickness: 0.500\" (12.7mm)\u003c\/li\u003e\n\u003cli\u003eOverall Length: Approximately 12.25\" (311mm)\u003c\/li\u003e\n\u003cli\u003ePort Opening Diameter: Approximately 1.75\" (44.5mm)\u003c\/li\u003e\n\u003cli\u003eOverall Height: Approximately 3.00\" (76mm)\u003c\/li\u003e\n\u003cli\u003eConfiguration: 4-Port K-Series Design\u003c\/li\u003e\n\u003cli\u003eFinish: Raw Machined Steel\u003c\/li\u003e\n\u003cli\u003eManufacturing Process: CNC Machined\u003c\/li\u003e\n\u003cli\u003eCountry of Manufacture: USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurbo manifold fabrication\u003c\/li\u003e\n\u003cli\u003eCustom exhaust header fabrication\u003c\/li\u003e\n\u003cli\u003eDrag racing builds\u003c\/li\u003e\n\u003cli\u003eRoad racing applications\u003c\/li\u003e\n\u003cli\u003eTime attack vehicles\u003c\/li\u003e\n\u003cli\u003eHigh-performance street builds\u003c\/li\u003e\n\u003cli\u003eNaturally aspirated and forced induction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Bull Boost Performance K-Series 1018 Steel Exhaust Header Flange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHonda K20 Engines\u003c\/li\u003e\n\u003cli\u003eHonda K24 Engines\u003c\/li\u003e\n\u003cli\u003eAcura K20 Applications\u003c\/li\u003e\n\u003cli\u003eAcura K24 Applications\u003c\/li\u003e\n\u003cli\u003eCompatible with custom exhaust header fabrication\u003c\/li\u003e\n\u003cli\u003eCompatible with turbo manifold fabrication\u003c\/li\u003e\n\u003cli\u003eSuitable for street, drag racing, road racing, and forced induction builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional fabrication and welding are recommended\u003c\/li\u003e\n\u003cli\u003eVerify dimensions and intended application prior to purchase\u003c\/li\u003e\n\u003cli\u003eHardware, tubing, and gaskets are not included unless otherwise stated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRPM Racing offers professional installation services and a wide selection of performance parts to help complete your build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAll warranties, claims, and product-related issues must be handled directly through BULL BOOST PERFORMANCE.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":45568222953532,"sku":"729859401898","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/K-Series-Flange_852x852_69286a9b-b70e-489f-93b8-4921389e01c3.webp?v=1782063769","url":"https:\/\/rpm-racing.com\/products\/bull-boost-performance-k-series-1018-steel-exhaust-header-flange","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}