what do you think about this?...

[shtou]

hello guys.
http://www.powersystem.fr/UK/liste_p...sation=Essence
can anyone tell something about this?
of course..for our engine 1.8
and this:
http://www.ecotek.eu/CB-26P.htm
i saw that it can be install on our engine.
does this thing worth?because i can buy this for a good price(~100E for both-filter and tuning valve).
of course on the site it looks good...