FatzFab Airbox for Toyota Hilux N80Fatz High Flow N80 Hilux Airbox The Fatz built N80 Airbox incorporate our CNC machined MAF housing to retain factory air flow readings, a filter of your choice (8 layer oiled gauze or dry element paper in a 9 inch POD configuration), clear acrylic lid for a great look and easy checking of filter soiling. The box incorporates a duck valve drain to allow water to drain away from the filter, when ingested through the snorkel for peace of mind motoring.