Just read about one of these things...what I want to know is that does it really work on a gti-r? It is supposed to save on fuel whilst improving bhp...seems too good to be true.
heres the link
http://cars.potn.com/ecotek.php
Any advice or opinions are greatly appreciated
Thanks
heres the link
http://cars.potn.com/ecotek.php
Any advice or opinions are greatly appreciated
Thanks