Cadillac CT6 Tuning

13 supported Cadillac CT6 applications, 2017+.

Cadillac

13 supported CT6 tunes

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All Supported Cadillac CT6 Tunes

Supported Cadillac CT6 engines and controllers
2.0T2020+270 hpECU Delco E80AutoTuner
2.0T2020+270 hpTCU Delco T87AutoTuner
2.0T2020+270 hpTCU Bosch T93AutoTuner
3.0 V62020+409 hpECU Delco E81AutoTuner
3.0 V62020+409 hpTCU Bosch T93AutoTuner
3.6 V62020+340 hpECU Delco E82AutoTuner
3.6 V62020+340 hpTCU Bosch T93AutoTuner
4.2 V8 TT2020+503 hpECU Delco E80AutoTuner
4.2 V8 TT2020+503 hpTCU Bosch T93AutoTuner
4.2 V8 TT (CTS-V)2020+557 hpECU Delco E80AutoTuner
4.2 V8 TT (CTS-V)2020+557 hpTCU Bosch T93AutoTuner
3.02018ECUHP Tuners
2.0, 3.0, 3.62017ECUHP Tuners

Other Cadillac Models

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About Cadillac CT6 tuning

Rapid Racing supports 13 Cadillac CT6 applications from 2017+ through AutoTuner and HP Tuners, with stock outputs up to 557 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: 2.0, 3.0, 3.6, 2.0T, 3.0, 3.0 V6, 3.6 V6, 4.2 V8 TT, 4.2 V8 TT (CTS-V).

Supported controllers: Bosch T93, Delco E80, Delco E81, Delco E82, Delco T87.

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.