Lexus GS Tuning
15 supported Lexus GS applications, 2005+.
Lexus
15 supported GS tunes
Select Version
All Supported Lexus GS Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 5.0i V8 (F) | 2011+ | L10 | 473 hp | ECU Denso Gen2 | AutoTuner |
| 250 (GSE20) | 2011+ | L10 | 200 hp | ECU Denso 76F00xx | AutoTuner |
| 300 (2.0T) | 2011+ | L10 | 240 hp | ECU Denso Gen2 | AutoTuner |
| 300h | 2011+ | L10 | 223 hp | ECU Denso 76F00xx | AutoTuner |
| 350 (3.5i V6) | 2011+ | L10 | 306 hp | ECU Denso 76F00xx | AutoTuner |
| 350 (3.5i V6) | 2011+ | L10 | 315 hp | ECU Denso 76F00xx | AutoTuner |
| 350 (3.5i V6) | 2011+ | L10 | 315 hp | ECU Denso Gen2 | AutoTuner |
| 200t | 2005+ | S190 | 245 hp | ECU Denso Gen2 | AutoTuner |
| 300 | 2005+ | S190 | 230 hp | ECU Denso 76F00xx | AutoTuner |
| 300 | 2005+ | S190 | 252 hp | ECU Denso 76F00xx | AutoTuner |
| 350 (3.5i V6) | 2005+ | S190 | 306 hp | ECU Denso 76F00xx | AutoTuner |
| 430 | 2005+ | S190 | 290 hp | ECU Denso 76F00xx | AutoTuner |
| 450h | 2005+ | S190 | 340 hp | ECU Denso 76F00xx | AutoTuner |
| 450h (3.5i V6) | 2005+ | S190 | 292 hp | ECU Denso 76F00xx | AutoTuner |
| 460 (4.6 V8) | 2005+ | S190 | 347 hp | ECU Denso 76F00xx | AutoTuner |
Other Lexus Models
About Lexus GS tuning
Rapid Racing supports 15 Lexus GS applications from 2005+ through AutoTuner, with stock outputs up to 473 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: 5.0i V8 (F), 200t, 250 (GSE20), 300, 300 (2.0T), 300h, 350 (3.5i V6), 430, 450h, 450h (3.5i V6), 460 (4.6 V8).
Supported controllers: Denso 76F00xx, Denso Gen2.
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.