WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.Pushing a Gen 2 B58 engine beyond 1000hp often reveals the flow and cooling limitations of standard aftermarket manifolds. The CSF 8400B Race X Manifold replaces the factory unit with a motorsports-grade billet aluminum assembly featuring a 25% larger core than the standard CSF Super Manifold. This increased volume provides 15 cooling rows to maintain consistent intake air temperatures during high-level competition and drag racing.
Key Features
- 25% larger motorsports-grade bar and plate core with 15 cooling rows
- KIYLEX Thermal Rejection Manifold Spacer reduces manifold temperatures by up to 15%
- Thermal Black Heat Dispersion Cerakote finish for improved heat rejection
- Integrated air divider in the inlet tank for equal airflow to all cylinders
- Top-feed fuel rail included for port injection setups
- Individual 1/8 inch NPT ports on each runner for nitrous or methanol injection
- Versatile front -16 ORB bung for single-pass or ice box configurations
- Recessed design allows access to the spin-off oil filter without manifold removal
- Integrated sensor pad with two 1/4 inch and three 1/8 inch NPT ports
- Slotted mounting tabs for easier alignment during installation
Specifications
| Type | Air-to-Water |
| Core Material | Aluminum |
| Inlet Tank Material | Billet Aluminum |
| Core Dimensions | 125mm x 540mm x 125mm |
| Core Row Quantity | 2 |
| Finish | Thermal Black Heat Dispersion Cerakote |
| Mounting Hardware Included | Yes |
Fits
Fits vehicles equipped with the Gen 2 B58 engine. This manifold is designed for high-horsepower racing applications where maximum cooling capacity and port injection are required.
Installation
This is a racing product intended for installation by a skilled technician familiar with the B58 platform. While designed for the OEM location, some modifications may be required for specific racing setups. The included hardware kit features vacuum-packaged brackets, bolts, and CNC machined fittings with an exploded diagram and Bill-of-Materials list to assist the installer. CSF recommends following the OEM BMW or Toyota bleeding procedure for the cooling system.
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