thats what they said abt wrapper, found it quite true. ive been informed it will reduce FC too, but im not really sure abt it, will informe u when i fill my tank again.. they also said that it will reduce the life spend of the extractor heheh not sure abt that too..errrr.. sorry bro, wrong direction.. hehhe its way after tesco... do u know the way to puchong perdana?? after the puchong perdana interchange theres a flyover theres where my instruction start :D