{"product_id":"bull-boost-b-series-forward-front-facing-t4-turbo-manifold-b16-b18-b20-gsr-sfwd-twin-scroll","title":"BULL BOOST B-Series Forward Front Facing T4 Turbo Manifold (B16\/B18\/B20 GSR – SFWD, Twin Scroll)","description":"\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-54\" data-turn-id=\"request-69f0f254-e3f4-83ea-a897-a6aac2bfc514-22\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] 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)))]\"\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 data-turn-start-message=\"true\" 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\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"fc1f9bcb-16dc-4711-9841-5de2719463f8\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-end=\"134\" data-start=\"0\"\u003e\u003cstrong data-end=\"100\" data-start=\"0\"\u003eBULL BOOST B-Series Forward Front Facing T4 Turbo Manifold (B16\/B18\/B20 GSR – SFWD, Twin Scroll)\u003c\/strong\u003e\u003cbr data-end=\"103\" data-start=\"100\"\u003e\u003cstrong data-end=\"119\" data-start=\"103\"\u003ePart Number:\u003c\/strong\u003e 720595369435\u003c\/p\u003e\n\u003cp data-end=\"411\" data-start=\"136\"\u003eStep into serious boost performance with the \u003cstrong data-end=\"228\" data-start=\"181\"\u003eBULL BOOST Forward Facing T4 Turbo Manifold\u003c\/strong\u003e, engineered for high-horsepower B-series builds that demand maximum flow, fast spool, and aggressive turbo placement on \u003cstrong data-end=\"390\" data-start=\"349\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHonda Civic\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e and similar chassis.\u003c\/p\u003e\n\u003cp data-end=\"626\" data-start=\"413\"\u003eDesigned with a forward-facing layout, this manifold positions the turbo for optimal airflow, easier intercooler routing, and a cleaner engine bay setup—perfect for street, drag, and high-performance applications.\u003c\/p\u003e\n\u003cp data-end=\"914\" data-start=\"628\"\u003eBuilt from extra-thick 3mm seamless stainless steel, the \u003cstrong data-end=\"708\" data-start=\"685\"\u003eBULL BOOST manifold\u003c\/strong\u003e is overbuilt to handle extreme heat and high boost without cracking or warping. The flange is precision-machined after welding to ensure a perfect seal and long-term reliability under demanding conditions.\u003c\/p\u003e\n\u003cp data-end=\"1212\" data-start=\"916\"\u003eAt the core of the design is a \u003cstrong data-end=\"980\" data-start=\"947\"\u003etrue dual 2-1 merge collector\u003c\/strong\u003e, maximizing exhaust pulse efficiency for improved spool characteristics and higher horsepower output. Fully TIG welded and ported, this setup ensures smooth exhaust flow and consistent turbo performance across the entire powerband.\u003c\/p\u003e\n\u003cp data-end=\"1477\" data-start=\"1214\"\u003eEquipped with \u003cstrong data-end=\"1266\" data-start=\"1228\"\u003edual 44mm V-band wastegate flanges\u003c\/strong\u003e, this manifold provides superior boost control for high-power, twin-scroll turbo setups. The T4 twin scroll flange supports larger turbochargers, making it ideal for builds targeting serious horsepower numbers.\u003c\/p\u003e\n\u003chr data-end=\"1482\" data-start=\"1479\"\u003e\n\u003cp data-end=\"1503\" data-start=\"1484\"\u003e\u003cstrong data-end=\"1501\" data-start=\"1484\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2022\" data-start=\"1504\"\u003e\n\u003cli data-end=\"1558\" data-start=\"1504\" data-section-id=\"ve9e18\"\u003eDesigned for B-series engines (B16, B18, B20, GSR)\u003c\/li\u003e\n\u003cli data-end=\"1622\" data-start=\"1559\" data-section-id=\"vbrowr\"\u003eForward-facing turbo layout for optimal setup and clearance\u003c\/li\u003e\n\u003cli data-end=\"1688\" data-start=\"1623\" data-section-id=\"1dqx0lt\"\u003eT4 twin scroll flange for high-performance turbo applications\u003c\/li\u003e\n\u003cli data-end=\"1746\" data-start=\"1689\" data-section-id=\"1qhz7gc\"\u003eExtra-thick 3mm seamless stainless steel construction\u003c\/li\u003e\n\u003cli data-end=\"1798\" data-start=\"1747\" data-section-id=\"1q9npt7\"\u003eCNC-machined flange surface for perfect sealing\u003c\/li\u003e\n\u003cli data-end=\"1861\" data-start=\"1799\" data-section-id=\"te3dbd\"\u003eTrue dual 2-1 merge collector for improved spool and power\u003c\/li\u003e\n\u003cli data-end=\"1918\" data-start=\"1862\" data-section-id=\"d00047\"\u003eFully TIG welded and ported for maximum exhaust flow\u003c\/li\u003e\n\u003cli data-end=\"1983\" data-start=\"1919\" data-section-id=\"1c8lagj\"\u003eDual 44mm V-band wastegate flanges for precise boost control\u003c\/li\u003e\n\u003cli data-end=\"2022\" data-start=\"1984\" data-section-id=\"qg14kp\"\u003eHardware included for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2027\" data-start=\"2024\"\u003e\n\u003cp data-end=\"2043\" data-start=\"2029\"\u003e\u003cstrong data-end=\"2041\" data-start=\"2029\"\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2157\" data-start=\"2044\"\u003e\n\u003cli data-end=\"2098\" data-start=\"2044\" data-section-id=\"efx856\"\u003eHonda Civic EG \/ EK \/ Integra DC2 (B-series swaps)\u003c\/li\u003e\n\u003cli data-end=\"2157\" data-start=\"2099\" data-section-id=\"a0vch1\"\u003eDesigned for SFWD (single forward-facing turbo setups)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2162\" data-start=\"2159\"\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2374\" data-start=\"2164\"\u003eBuilt for high boost, high power, and serious performance, the \u003cstrong data-end=\"2268\" data-start=\"2227\"\u003eBULL BOOST Forward Facing T4 Manifold\u003c\/strong\u003e delivers the flow, durability, and turbo efficiency needed to take your B-series build to the next level.\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\n\u003cstrong data-end=\"2185\" data-start=\"2164\"\u003eImportant Notice:\u003c\/strong\u003e\u003cbr data-end=\"2188\" data-start=\"2185\"\u003eAll warranties, claims, and product-related issues must be handled directly through BULL BOOST.\u003c\/div\u003e\n\u003cdiv class=\"border-token-border-default mt-2 border-t py-4 text-sm\"\u003e\n\u003cdiv class=\"flex flex-col justify-between gap-3 mt-3\"\u003e\n\u003cdiv class=\"max-w-[480px] min-w-[300px]\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":44741847646268,"sku":"720595369435","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/kforwarmain_735x735_9085aa0f-3c4c-46d9-baed-b4f17f0371ed.webp?v=1777584025","url":"https:\/\/rpm-racing.com\/products\/bull-boost-b-series-forward-front-facing-t4-turbo-manifold-b16-b18-b20-gsr-sfwd-twin-scroll","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}