aha ... thank you very much .... well I have to say I am spanish, and I can speak english very good,, but some technical words, dont understand well ... what its exactly lower emissions engines? ... are them engines who need to have low emissions ?
thnik we finish early with this question: I have a Impreza WRX 2.5 from 2006, stock, 230hp, not track, but hard use, long highway trips with tow, fast mountain road use, etc
which one from those two will be better?
- Race Pro C3
- Race Pro S
I notice the Pro S its no longer avaible... ?¿
thank you very much