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Fabspeed XperTune Performance Software for the 955 Cayenne Turbo and Turbo S recalibrates the twin-turbo 4.5L V8 for more horsepower, torque, and sharper response while preserving smooth, factory-like drivability and reliability. Using the included handheld through the OBD-II port, it eliminates the need for bench flashing and ECU removal by optimizing sensor inputs and air/fuel ratios via a simple flash.
| select-engine-trim-level | Boxster S 3.2L – Boxster 2.7L (1999-2004), Boxster 2.5L (1996-1999) |
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