the little up in ps mite affect your fuel consumption but i personaly would'nt go back to factory wheels n tyres.
i like the extra grip from bigger tyres.
it's down to your own preferance. good wishes.
Sie
i've just fitted one simular myself with an engine breather filter and it works well enough without any pipes might add some flexy hose cos summer comin lol
i`d rather swim in boiling oil than sell my little monster in progress. whiteknight.igot a little scetch all ready could b a tatoo i suppose will post soon