{"product_id":"bull-boost-performance-rb20-rb25-rb26-det-t4-top-mount-twin-scroll-turbo-manifold-for-nissan-gtr-dual-44mm-wastegate","title":"BULL BOOST PERFORMANCE RB20 RB25 RB26 DET T4 Top Mount Twin Scroll Turbo Manifold for Nissan GTR – Dual 44mm Wastegate","description":"\u003cp data-start=\"0\" data-end=\"154\"\u003e\u003cstrong data-start=\"125\" data-end=\"154\"\u003ePart Number: 737123297276\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"156\" data-end=\"583\"\u003eThe Bull Boost Performance RB-Series T4 Top Mount Twin Scroll Turbo Manifold is engineered for high-horsepower Nissan RB20, RB25, and RB26 turbocharged applications requiring fast spool response, strong midrange power, and maximum exhaust flow efficiency. Designed specifically for serious street, drag, drift, and track builds, this manifold combines advanced twin-scroll technology with durable motorsport-grade construction.\u003c\/p\u003e\n\u003cp data-start=\"585\" data-end=\"887\"\u003eBuilt around a true twin-scroll divided pulse design, this manifold helps maximize turbocharger efficiency by separating exhaust pulses for improved turbine response and reduced turbulence. The result is faster turbo spool, improved low-end torque, and substantial power gains throughout the RPM range.\u003c\/p\u003e\n\u003cp data-start=\"889\" data-end=\"1240\"\u003eThe true merge collector is engineered to promote smooth, turbulence-free exhaust flow while maintaining high exhaust gas velocity into the turbine housing. Runner geometry has also been optimized to compensate for the RB engine platform’s tendency to run leaner toward cylinder #6, helping improve exhaust pulse balance and overall engine efficiency.\u003c\/p\u003e\n\u003cp data-start=\"1242\" data-end=\"1470\"\u003eConstructed for durability and high-boost applications, this manifold features precision CNC-ported head flanges, machined sealing surfaces, and high-strength fabrication designed to withstand extreme heat and racing conditions.\u003c\/p\u003e\n\u003cp data-start=\"1472\" data-end=\"1506\"\u003e\u003cstrong data-start=\"1472\" data-end=\"1506\"\u003eKey Features \u0026amp; Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1507\" data-end=\"1984\"\u003e\n\u003cli data-section-id=\"1inw6zp\" data-start=\"1507\" data-end=\"1552\"\u003eT4 twin-scroll turbo flange configuration\u003c\/li\u003e\n\u003cli data-section-id=\"13240n2\" data-start=\"1553\" data-end=\"1593\"\u003eDual 44mm external wastegate flanges\u003c\/li\u003e\n\u003cli data-section-id=\"1362ecq\" data-start=\"1594\" data-end=\"1644\"\u003eTrue twin-scroll divided pulse manifold design\u003c\/li\u003e\n\u003cli data-section-id=\"n0wxrr\" data-start=\"1645\" data-end=\"1696\"\u003eTrue merge collector for optimized exhaust flow\u003c\/li\u003e\n\u003cli data-section-id=\"n5gizb\" data-start=\"1697\" data-end=\"1750\"\u003eDesigned for fast spool and strong midrange power\u003c\/li\u003e\n\u003cli data-section-id=\"1ifnbuk\" data-start=\"1751\" data-end=\"1806\"\u003eCNC-ported head flange for improved flow efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"a9avjd\" data-start=\"1807\" data-end=\"1863\"\u003eMachined sealing surfaces for leak-free installation\u003c\/li\u003e\n\u003cli data-section-id=\"1k7wv8o\" data-start=\"1864\" data-end=\"1923\"\u003eHeavy-duty high-performance turbo manifold construction\u003c\/li\u003e\n\u003cli data-section-id=\"10sws1v\" data-start=\"1924\" data-end=\"1984\"\u003eDesigned specifically for RB-series turbocharged engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1986\" data-end=\"2011\"\u003e\u003cstrong data-start=\"1986\" data-end=\"2011\"\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2012\" data-end=\"2285\"\u003e\n\u003cli data-section-id=\"1v7glvx\" data-start=\"2012\" data-end=\"2043\"\u003eFaster turbo spool response\u003c\/li\u003e\n\u003cli data-section-id=\"56b79e\" data-start=\"2044\" data-end=\"2085\"\u003eIncreased low-end and midrange torque\u003c\/li\u003e\n\u003cli data-section-id=\"3wdomw\" data-start=\"2086\" data-end=\"2123\"\u003eImproved exhaust pulse efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"z3ga32\" data-start=\"2124\" data-end=\"2172\"\u003eReduced turbulence entering the turbocharger\u003c\/li\u003e\n\u003cli data-section-id=\"1lsza3b\" data-start=\"2173\" data-end=\"2236\"\u003eBetter boost control with dual 44mm wastegate configuration\u003c\/li\u003e\n\u003cli data-section-id=\"19eonc9\" data-start=\"2237\" data-end=\"2285\"\u003eSupports high-horsepower turbocharger setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2287\" data-end=\"2307\"\u003e\u003cstrong data-start=\"2287\" data-end=\"2307\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2308\" data-end=\"2476\"\u003e\n\u003cli data-section-id=\"ht367y\" data-start=\"2308\" data-end=\"2346\"\u003eNissan Skyline RB20DET (1986–1993)\u003c\/li\u003e\n\u003cli data-section-id=\"her8e5\" data-start=\"2347\" data-end=\"2385\"\u003eNissan Skyline RB25DET (1993–2002)\u003c\/li\u003e\n\u003cli data-section-id=\"lrbwy5\" data-start=\"2386\" data-end=\"2430\"\u003eNissan Skyline GT-R RB26DETT (1989–2002)\u003c\/li\u003e\n\u003cli data-section-id=\"jx45ck\" data-start=\"2431\" data-end=\"2476\"\u003eNissan RB-series engine swap applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2478\" data-end=\"2681\"\u003e\u003cstrong data-start=\"2478\" data-end=\"2500\"\u003eInstallation Note:\u003c\/strong\u003e\u003cbr data-start=\"2500\" data-end=\"2503\"\u003eProfessional installation is strongly recommended. Additional fabrication, turbo system components, and custom tuning may be required depending on vehicle and turbocharger setup.\u003c\/p\u003e\n\u003cp data-start=\"2683\" data-end=\"2817\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2683\" data-end=\"2703\"\u003eWarranty Notice:\u003c\/strong\u003e\u003cbr data-start=\"2703\" data-end=\"2706\"\u003eAll warranties, claims, and product-related issues must be handled directly through \u003cstrong data-start=\"2790\" data-end=\"2816\"\u003eBULL BOOST PERFORMANCE\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Racing Precision Motorsports","offers":[{"title":"Default Title","offer_id":45429407055932,"sku":"737123297276","price":419.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/A90MANIMAIN_842x842_a6114d9e-f7ab-484d-85a8-65b008804586.webp?v=1779247374","url":"https:\/\/rpm-racing.com\/products\/bull-boost-performance-rb20-rb25-rb26-det-t4-top-mount-twin-scroll-turbo-manifold-for-nissan-gtr-dual-44mm-wastegate","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}