Maserati 4.2i V8 32v Tuning
Supported in 5 Maserati models, 2002+.

Maserati
6 supported 4.2i V8 32v applications
Models With the Maserati 4.2i V8 32v
All Supported Maserati 4.2i V8 32v Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 4200 GT | 2002+ | 390 hp | ECU Bosch ME7.3.2 | AutoTuner | |
| Coupe GT | 2002+ | 390 hp | ECU Bosch ME7.3.2 | AutoTuner | |
| Gransport | 2004+ | 400 hp | ECU Bosch ME7.3.2 | AutoTuner | |
| Granturismo | 2007+ | 400 hp | ECU Bosch ME7.3.2 | AutoTuner | |
| Quattroporte | 2004+ | V | 400 hp | ECU Bosch ME7.3.2 | AutoTuner |
| Quattroporte | 2004+ | V | 390 hp | ECU Bosch ME7.3.2 | AutoTuner |
About Maserati 4.2i V8 32v tuning
We tune the Maserati 4.2i V8 32v in 6 applications across the 4200 GT, Coupe GT, Gransport, Granturismo, Quattroporte, from 2002+, in gasoline form, with stock outputs of 390-400 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: Bosch ME7.3.2.
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.
