Porsche 2.9 DFI 24v Tuning
Supported in 2 Porsche models, 2005+.
Porsche
3 supported 2.9 DFI 24v applications
Models With the Porsche 2.9 DFI 24v
All Supported Porsche 2.9 DFI 24v Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Boxster | 2005+ | 987 | 255 hp | ECU Siemens SDI3 | AutoTuner |
| Cayman | 2006+ | 987 | 255 hp | ECU Siemens SDI3 | AutoTuner |
| Cayman | 2006+ | 987 | 265 hp | ECU Siemens SDI3 | AutoTuner |
About Porsche 2.9 DFI 24v tuning
We tune the Porsche 2.9 DFI 24v in 3 applications across the Boxster, Cayman, from 2005+, in gasoline form, with stock outputs of 255-265 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: Siemens SDI3.
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.