Isuzu MU-X Tuning

6 supported Isuzu MU-X applications, 2013+.

Isuzu

6 supported MU-X tunes

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All Supported Isuzu MU-X Tunes

Supported Isuzu MU-X engines and controllers
1.9d (RZ4E)2020+150 hpECU Transtron TTIAutoTuner
2.2 Ddi2020+163 hpECU Bosch MD1CS089AutoTuner
3.0d (4JJ3)2020+190 hpECU Transtron Aurix TC265DAutoTuner
3.0d (4JJ3)2020+190 hpECU Transtron Aurix TC277TAutoTuner
3.0 TD (4JJ1)2013+177 hpECU Transtron TTIAutoTuner
3.0 TD (4JJ1)2013+177 hpECU Delphi 4JAutoTuner

Other Isuzu Models

See all Isuzu models

About Isuzu MU-X tuning

Rapid Racing supports 6 Isuzu MU-X applications from 2013+ through AutoTuner, with stock outputs up to 190 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: 1.9d (RZ4E), 2.2 Ddi, 3.0 TD (4JJ1), 3.0d (4JJ3).

Supported controllers: Bosch MD1CS089, Delphi 4J, Transtron Aurix TC265D, Transtron Aurix TC277T, Transtron TTI.

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.