Toyota 3.4T V6 Tuning
Supported in 2 Toyota models, 2021+.
Toyota
2 supported 3.4T V6 applications
Models With the Toyota 3.4T V6
All Supported Toyota 3.4T V6 Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Landcruiser | 2023+ | 415 hp | ECU Denso Gen4 | AutoTuner | |
| Tundra | 2021+ | XK70 | 389 hp | ECU Denso Gen4 | AutoTuner |
About Toyota 3.4T V6 tuning
We tune the Toyota 3.4T V6 in 2 applications across the Landcruiser, Tundra, from 2021+, in gasoline form, with stock outputs of 389-415 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: Denso Gen4.
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.