G8 |
||||||
| Year | Engine | Original Power | Stage 1 | Difference | Vmax | ECU |
| 2009 | 3.6L | 256 Hp 248 Lb-Ft | 274 Hp 275 Lb-Ft | 18 hp | ✓* | E67 |
| 2009 | 6.0L | 400 Hp 400 Lb-Ft | 420 Hp 430 Lb-Ft | 20 hp | ✓* | E38 |
| 2009 | 6.2L | 415 Hp 415 Lb-Ft | 435 Hp 440 Lb-Ft | 20 hp | ✓* | E38 |
*Depends on the software version