Hyundai Custo / Custin Tuning
1 supported Hyundai Custo / Custin application, 2021+.
Hyundai
1 supported Custo / Custin tunes
Hyundai Custo / Custin
1.5 T-GDI
170 HP stock / 187 lb-ft
KU from 2021+
- Controller
- Engine (ECU): Kefico CPEGD3.20.1
- Flash method
- OBD port
AutoTunerBook a tune
All Supported Hyundai Custo / Custin Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 1.5 T-GDI | 2021+ | KU | 170 hp | ECU Kefico CPEGD3.20.1 | AutoTuner |
Other Hyundai Models
About Hyundai Custo / Custin tuning
Rapid Racing supports 1 Hyundai Custo / Custin application from 2021+ through AutoTuner, with stock outputs up to 170 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: 1.5 T-GDI.
Supported controllers: Kefico CPEGD3.20.1.
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.