{"product_id":"csf8401-b58-s58-no-limit-billet-manifold","title":"CSF B58 No Limit Billet Air-To-Air Competition Manifold","description":"\u003ch4\u003eBuilt for the 7 Second Pass\u003c\/h4\u003e\n\u003cp\u003eThe CSF8401 No Limit Billet Air-To-Air Competition Manifold replaces the restrictive factory charge cooler on the B58 and S58 platform with a CNC-machined 6061 billet aluminum design built for extreme horsepower. Engineered alongside Custom Plenum Creations and proven on record-setting 7-second quarter mile cars, the CSF8401 removes the integrated charge cooler entirely so builders can run much larger front-mount air-to-air or air-to-water intercooler setups without airflow restriction.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCNC-machined from solid 6061 billet aluminum for extreme strength and durability\u003c\/li\u003e\n\u003cli\u003eSupports high performance builds exceeding 1500 horsepower\u003c\/li\u003e\n\u003cli\u003eInternal velocity stacks for optimized airflow and improved cylinder distribution\u003c\/li\u003e\n\u003cli\u003eCFD optimized plenum and runner design for balanced cylinder to cylinder airflow\u003c\/li\u003e\n\u003cli\u003eO-ring sealed design for leak free performance under extreme boost\u003c\/li\u003e\n\u003cli\u003eLarge throttle body flange sized for the S55 77mm throttle body versus the 67 to 68mm OEM unit\u003c\/li\u003e\n\u003cli\u003eIntegrated sensor pads for additional data monitoring or vacuum sources\u003c\/li\u003e\n\u003cli\u003eIncludes billet fuel rail for high performance port fueling\u003c\/li\u003e\n\u003cli\u003eModular runner ports for secondary port injection, nitrous, or methanol injection\u003c\/li\u003e\n\u003cli\u003eThermal rejection competition spacer reduces intake air temperature and heat soak\u003c\/li\u003e\n\u003cli\u003eTrack proven on multiple record setting quarter mile vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eCSF8401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003eNot published by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 billet aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eRaw billet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge cooler configuration\u003c\/td\u003e\n\u003ctd\u003eAir-to-Air or Air-to-Water compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle body flange\u003c\/td\u003e\n\u003ctd\u003eS55 style, 77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel rail\u003c\/td\u003e\n\u003ctd\u003eIncluded, billet construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorsepower rating\u003c\/td\u003e\n\u003ctd\u003e1500+ WHP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine platforms\u003c\/td\u003e\n\u003ctd\u003eBMW B58, BMW S58, B58 engine swap applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer limited warranty against defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCSF8401 billet competition manifold\u003c\/li\u003e\n\u003cli\u003eBillet fuel rail\u003c\/li\u003e\n\u003cli\u003eThermal rejection competition spacer\u003c\/li\u003e\n\u003cli\u003eHardware and installation kit\u003c\/li\u003e\n\u003cli\u003eNPT port plugs for unused sensor and injection ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAbout CSF\u003c\/h4\u003e\n\u003cp\u003eCSF is a motorsports focused cooling and manifold manufacturer known for OEM quality bar and plate intercooler cores and billet charge cooler manifolds. CSF products are engineered using computational fluid dynamics and validated on track with race teams competing at the highest levels of drag and time attack competition.\u003c\/p\u003e\n\u003ch4\u003eRelated Parts on Our Site\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/intercoolers\" target=\"_blank\" rel=\"noopener\"\u003eShop Intercoolers and Charge Pipes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/csf\" target=\"_blank\" rel=\"noopener\"\u003eShop All CSF Products\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cstrong\u003eWhat is the CSF8401?\u003c\/strong\u003e\u003cp\u003eThe CSF8401 is a billet aluminum competition intake manifold that replaces the factory B58 or S58 charge cooler housing, removing the integrated charge cooler entirely to allow builders to run much larger front-mount intercoolers for horsepower goals exceeding 1500 WHP.\u003c\/p\u003e\n\u003cstrong\u003eWhich engines does the CSF8401 fit?\u003c\/strong\u003e\u003cp\u003eThe CSF8401 is designed for the BMW B58 and S58 inline-six platforms, including the M240i, M340i, M440i, GR Supra, and B58 engine swap applications.\u003c\/p\u003e\n\u003cstrong\u003eDoes the CSF8401 include a fuel rail?\u003c\/strong\u003e\u003cp\u003eYes, a billet fuel rail for a 6-injector top-feed setup is included. An optional second fuel rail for a 12-injector configuration is available separately from CSF.\u003c\/p\u003e\n\u003cstrong\u003eCan the CSF8401 support an air-to-water intercooler?\u003c\/strong\u003e\u003cp\u003eYes, the manifold is compatible with both air-to-air and air-to-water external intercooler configurations.\u003c\/p\u003e\n\u003cstrong\u003eWhat throttle body does the CSF8401 use?\u003c\/strong\u003e\u003cp\u003eIt uses a throttle body flange sized for the S55 77mm unit, which is significantly larger than the factory B58 67 to 68mm throttle body for improved airflow at high boost.\u003c\/p\u003e\n\u003cstrong\u003eIs professional installation required for the CSF8401?\u003c\/strong\u003e\u003cp\u003eYes. Installation involves significant engine disassembly and requires a technician experienced with B58 and S58 engine platforms, custom intercooler piping, and fuel system modifications.\u003c\/p\u003e\n\u003cstrong\u003eDoes the CSF8401 support nitrous or methanol injection?\u003c\/strong\u003e\u003cp\u003eYes. Modular ports on each cylinder runner accept secondary port injection, nitrous, or methanol injection fittings.\u003c\/p\u003e\n\u003cstrong\u003eWhat vehicles does the CSF8401 fitment cover?\u003c\/strong\u003e\u003cp\u003eThe CSF8401 covers the BMW M240i, M340i, M440i, Toyota GR Supra (B58-equipped), and any vehicle built around a B58 or S58 engine swap platform.\u003c\/p\u003e\n\u003ch4\u003eInstallation Overview\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eRemove the factory intake manifold and charge cooler assembly per platform service procedures\u003c\/li\u003e\n\u003cli\u003eTransfer or install injectors and sensors to the CSF8401 manifold\u003c\/li\u003e\n\u003cli\u003eMount the billet fuel rail and connect fuel lines per the included hardware diagram\u003c\/li\u003e\n\u003cli\u003eInstall the thermal rejection competition spacer between the manifold and cylinder head\u003c\/li\u003e\n\u003cli\u003eSecure the manifold using the supplied hardware kit per specified torque values\u003c\/li\u003e\n\u003cli\u003eConnect sensor pads, vacuum sources, and any port injection or nitrous lines as needed\u003c\/li\u003e\n\u003cli\u003eInstall the front-mount air-to-air or air-to-water intercooler and connect charge piping\u003c\/li\u003e\n\u003cli\u003ePlug all unused NPT ports, verify all connections, and bleed the cooling system if using air-to-water\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Residents:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit \u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":46170981597263,"sku":"CSF8401","price":3995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/csf8401-b58-s58-no-limit-billet-manifold-bmw-supra.jpg?v=1784892222","url":"https:\/\/www.blackopsautoworks.com\/products\/csf8401-b58-s58-no-limit-billet-manifold","provider":"Black Ops Auto Works","version":"1.0","type":"link"}