No Toil Super-Flo Air Filter Flame ResistREPLACEMENT AIR FILTERS FOR THE NO TOIL SUPER FLO KIT Do you want to modify your air filter cage and remove the backfire screen to maximise airflow? You need a No Toil flame resistant air filter! The foam is specially treated to resist flames and sparks, will not hold a flame, AND more importantly, you get more horsepower! Note: The Super Flo Flame Resistant filters can be used with an original cage, but care must be taken to ensure that all traces of