The CSF "No Limit" B58 & S58 Air-to-Air Billet Manifolds (CSF #8401 & #8402) come with one fuel rail for port injection (for 6 injector setups). For those looking to run dual port injection, CSF offers a second fuel rail kit. The CSF #8404 Fuel Rail Kit comes with all the necessary mounting hardware and features the same -8 ORB fitting as the primary rail. It can be set up as a return or returnless system.
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 2023-2026 |
BMW |
M2 |
Base |
| 2023-2026 |
BMW |
M240i |
Base |
| 2022-2026 |
BMW |
M240i xDrive |
Base |
| 2021-2026 |
BMW |
M3 |
Base |
| 2021-2026 |
BMW |
M3 |
Competition |
| 2022-2026 |
BMW |
M3 |
Competition xDrive |
| 2024 |
BMW |
M3 |
CS |
| 2020-2024 |
BMW |
M340i |
Base |
| 2020-2024 |
BMW |
M340i xDrive |
Base |
| 2021-2026 |
BMW |
M4 |
Base |
| 2021-2026 |
BMW |
M4 |
Competition |
| 2022-2026 |
BMW |
M4 |
Competition xDrive |
| 2025 |
BMW |
M4 |
CS |
| 2023 |
BMW |
M4 |
CSL |
| 2021-2024 |
BMW |
M440i |
Base |
| 2022-2024 |
BMW |
M440i Gran Coupe |
Base |
| 2021-2024 |
BMW |
M440i xDrive |
Base |
| 2022-2024 |
BMW |
M440i xDrive Gran Coupe |
Base |
| 2020-2024 |
BMW |
X3 |
M |
| 2020-2022 |
BMW |
X3 |
M Competition |
| 2020-2025 |
BMW |
X4 |
M |
| 2020-2022 |
BMW |
X4 |
M Competition |
| 2022-2026 |
BMW |
Z4 |
M40i |
| 2024 |
Toyota |
GR Supra |
45th Anniversary Edition |
| 2021-2022 |
Toyota |
GR Supra |
A91 Edition |
| 2023 |
Toyota |
GR Supra |
A91-MT Edition |
| 2020-2026 |
Toyota |
GR Supra |
Base |
| 2020 |
Toyota |
GR Supra |
Launch Edition |
| 2026 |
Toyota |
GR Supra |
MkV Final Edition |
| 2020-2026 |
Toyota |
GR Supra |
Premium |
