Raised Air Intake Snorkel Kit For Land Rover Defender 300TDi & TD5 1994-2006. Land Rover Defender 300TDi 2.5 Diesel 1994-1998. Land Rover Defender TD5 2.5 Diesel 1998-2006. This raised air intake snorkel kit relocates your engine's air intake from its original low and vulnerable position under the bonnet to a higher, safer location.