986 Boxster Performance Software The Porsche 986 Boxster Performance Software Tuning from Softronic works on the 1998-2004 Boxster, with the 2.5, 2.7 or 3.2 liter engine: Model Base BHP Base Torque Tuned BHP Tuned Torque 2.7... MSRP: Was: Now: $895.00 Choose Options