i ve E-throttle in my markx n two of my friends got in their civic too....but its not for performance or straight line race....its just make ur car response much quicker n also its good for ur fuel economy check the info on this link ==AUTO JAW CO.,LTD.. All== btw they r selling the same brand of this E-throttle
i ll say get intake, header n exhaust....http://www.weapon-r.com/home if u want more power then theres two brand for turbo kit one is u already mentioned TSI extreme turbo kit n other is AJP performance both will cost u more than 3 lacs Add 100 whp to your 2006-10 Honda Civic R18 with the AJP Turbo Kit
Turbo-Kits.com 06, 07, 08, 09 Honda Civic, LX, EX, SI, Turbo Kits - K20 - R18