lol seriously? a maf cleaner that says specifically not to use on supras??? lol!
i believe that can would be talking about the mkiii supra turbos that use a Karman vortex MAF and that cannot really be cleaned with a maf cleaner, and can be killed if using a chemical cleaner on them,and is kind of useless as you cant reach much of anything with the plastic shielding the mirrors and sensors..... you should be fine to use a normal maf cleaner on the mkiv maf i believe.
someone correct me if im wrong.