Infiniti FX Tuning
6 supported Infiniti FX applications, 2006+.

Infiniti
6 supported FX tunes
Select Engine
Gasoline
Diesel
All Supported Infiniti FX Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 3.5 V6 | 2006+ | 307 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| 3.7 V6 | 2006+ | 325 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| 30d (3.0d V6) | 2006+ | 238 hp | ECU Bosch EDC16CP42 | AutoTuner | |
| 35 (3.5i V6) | 2006+ | 295 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| 37 (3.7i V6) | 2006+ | 330 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner | |
| 50 (5.0 V8) | 2006+ | 390 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner |
Other Infiniti Models
About Infiniti FX tuning
Rapid Racing supports 6 Infiniti FX applications from 2006+ through AutoTuner, with stock outputs up to 390 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.
Supported engines: 3.5 V6, 3.7 V6, 30d (3.0d V6), 35 (3.5i V6), 37 (3.7i V6), 50 (5.0 V8).
Supported controllers: Bosch EDC16CP42, Hitachi BEDxxx/MECxxx.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.
