Nissan 4.0i V6 Tuning
Supported in 2 Nissan models, 2003+.
Nissan
2 supported 4.0i V6 applications
Models With the Nissan 4.0i V6
All Supported Nissan 4.0i V6 Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Pathfinder | 2005+ | R51 | 266 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner |
| Patrol | 2003+ | 266 hp | ECU Hitachi BEDxxx/MECxxx | AutoTuner |
About Nissan 4.0i V6 tuning
We tune the Nissan 4.0i V6 in 2 applications across the Pathfinder, Patrol, from 2003+, in gasoline form, with stock outputs of 266 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: 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.