B58 Gen2 Intake Manifold

This in-house designed, machined, and welded billet intake manifold from RK Autowerks delivers a performance-focused solution for Gen 2 B58 engines operating well above factory power levels. Built in Fort Worth, Texas, it features a significantly upgraded intercooler core and full support for port injection, making it a strong foundation for high-boost, high-output builds. A matching fuel rail is included; injectors and a port injection line kit are required and sold separately. Key Features 70% larger Wagner Tuning intercooler core for improved thermal efficiency Thermal phenolic spacer to reduce heat transfer and minimize heat soak Integrated -8AN ORB fuel rail (included) Compatible with EV14K-body (Bosch Shorty) injectors Six 1/8" NPT secondary ports for meth or nitrous systems Three 1/8" NPT auxiliary ports for accessories such as boost reference Coolant return line with OE-style fitting included Maintains full access to the OEM oil filter Offered in raw aluminum finish Engineered to replace BMW Part #11 61 8 647 977, 11618647977  BMW B58 Gen 2 Applications: 3 Series 2019-Present     G20/G21     M340i / M340i xDrive 4 Series 2020-Present     G22/G23/G26     M440i / M440i xDrive Z Series 2019-Present     G29     Z4 M40i 5 Series 2020-Present     G30/G31 LCI     540i / 540i xDrive 6 Series 2020-Present     G32 LCI     640i GT / GT 640i xDrive  7 Series 2019-Present     G11/G12 LCI     740i / 740i xDrive X3 Series 2020-Present     G01     X3 M40i X4 Series 2020-Present     G02     X4 M40i X5 Series 2018-Present     G05     X5 xDrive40i X6 Series 2019-Present     G06     X6 xDrive40i X7 Series 2018-Present     G07     X7 xDrive40i Toyota B58 Gen 2 Applications: A90 / A91 Supra 2020-Present     GR Supra 3.0 Premium     2021-Present     GR Supra 3.0 A91 Edition      After placing your purchase, please contact Sales@5150AutoSport.com with your vehicle VIN to verify fitment.