Porsche 986 Boxster Engine Conversion Softronic provides Porsche performance software ECU files for engine conversion projects, such as swapping a Porsche 996 non-DFI 3.4 or 3.6 liter engine into a 986 Boxster. 1997-1999 Boxster 2.5... MSRP: Was: Now: $1,395.00 Choose Options
