Now upgraded with Links latest G4X platform, the plugin ECU range has a much faster microprocessor, high speed communications chip and 512 megabytes of data logging across the entire range. Compared to the older G4+ ECUs, ALL G4X ECUs feature: A faster Micro controller – meaning your engine will run smoother, accelerate faster and act more responsively An upgraded Communications Chip – sees download speeds 16 x faster than G4+ 512 Megabytes of data logging – this is over 100x the size of prior Link ECUs A new version of PC Link tuning software – which is easier to use and modify tunes with Installation is a breeze with no alteration of the factory wiring loom required. A built-in connector (or pins in some models) provides additional inputs and outputs such as oil pressure inputs or anti-lag/logging switches. Please note, this ECU is ONLY suitable for AP1 S2000's (1999-2004) or AP2 models (2005+) with non E-Throttle.