Infiniti FX Tuning

6 supported Infiniti FX applications, 2006+.

Infiniti

6 supported FX tunes

Select Engine

Gasoline

Diesel

All Supported Infiniti FX Tunes

Supported Infiniti FX engines and controllers
3.5 V62006+307 hpECU Hitachi BEDxxx/MECxxxAutoTuner
3.7 V62006+325 hpECU Hitachi BEDxxx/MECxxxAutoTuner
30d (3.0d V6)2006+238 hpECU Bosch EDC16CP42AutoTuner
35 (3.5i V6)2006+295 hpECU Hitachi BEDxxx/MECxxxAutoTuner
37 (3.7i V6)2006+330 hpECU Hitachi BEDxxx/MECxxxAutoTuner
50 (5.0 V8)2006+390 hpECU Hitachi BEDxxx/MECxxxAutoTuner

Other Infiniti Models

See all 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.