| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| GTS | 235 KW (320 hp) 317Nm | 248 KW (337 hp) 329Nm | * | 18 hp | 1.699 |
| F355 | 279 kW (380 hp) 363Nm | 300 kW (409 hp) 388Nm | * | 29 hp | 1.899 |
| Spider | 360 KW (489 hp) 465Nm | 380 KW (517 hp) 490Nm | * | 27 hp | 1.899 |