First out of the blocks are TechArt with their PowerKit
Carrera S and the 911 Carrera 4S, 460 hp and 560 Nm versus stock 420 hp, 500 Nm. The 30 kW (40 hp) boost, provided by TECHART's TECHTRONIC engine management system, is activated by a press of the Sport button.
Further info at http://www.techart.de/en/...r/powerkits-sound.html
Carrera S and the 911 Carrera 4S, 460 hp and 560 Nm versus stock 420 hp, 500 Nm. The 30 kW (40 hp) boost, provided by TECHART's TECHTRONIC engine management system, is activated by a press of the Sport button.
Further info at http://www.techart.de/en/...r/powerkits-sound.html