Quote Originally Posted by n5110 View Post
what do you mean by kind of air filter sir? original or replacement? may difference ba ito in terms of efficiency besides the original cost 4 times? thanks.
Well, depends if you are using aftermarket filters or stock or replacement filter. Also what kind of aftermarket filters including paper, cotton, mesh, foam, etc.

This is especially critical on venturi Auto-LPG systems which are particularly sensitive to the quality of the filtering element.