REPLACEMENT 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 the original gauze have been removed to avoid ingestion into the combustion chamber). Fits: KTM 125 SX 2007-2013 250 SX 2007-2010 250 SXF 2008-2010 300 EXCE 2008-2013 400 EXC 2009-2011 450 SXF 2007-2010 530 EXC 2008-2009 2011 625 SXC 2003 2005