Injen Technology
| Part # | Description | HP Gains | TQ Gains | Filter |
| Infiniti Power-Flow Intake System |
| PF1950-1P | 04-08 QX56 V8 5.6L w/Power Box & MR Technology | +28.6 | +43.2 | X-1022-BB/X-1022-BR |
| PF1950-1WB | 04-08 QX56 V8 5.6L w/Power Box & MR Technology | +28.6 | +43.2 | X-1022-BB/X-1022-BR |