Our high flow, through bonnet Airbox for the GQ patrol, is a must have for vehicles fitted with a through bonnet snorkel. With 4″ inlet and outlet, you will struggle to find the limit of flow of this Airbox. Designed primarily for use with our Fatz built, through bonnet snorkel, though can be coupled with other brands of through bonnet snorkel, with minor modification possibly needed. Supplied with our Fatz Built 9″ filter in either oiled element or Dry paper element, 8mm clear Perspex lid, water drain tank and drain valve to prevent water entering the intake tract. Various items will need to be relocated within the engine bay for fitment of this airbox.