Lexus 300 Tuning

Supported in 2 Lexus models, 2005+.

Lexus

3 supported 300 applications

Models With the Lexus 300

All Supported Lexus 300 Tunes

Supported Lexus 300 applications
GS2005+S190230 hpECU Denso 76F00xxAutoTuner
GS2005+S190252 hpECU Denso 76F00xxAutoTuner
IS2005+230 hpECU Denso 76F00xxAutoTuner

About Lexus 300 tuning

We tune the Lexus 300 in 3 applications across the GS, IS, from 2005+, in gasoline form, with stock outputs of 230-252 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 76F00xx.

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.