Land Rover sells "
LR3 G4 EDITION RAISED AIR INTAKE"
You can check thier web site for item
ADL780010 (1.524259786):
This raised air intake is designed to help keep you going through deep
water and dusty conditions. Raises the engines air intake up high, away
from dusty off road conditions. Features a pre-filter for dusty
conditions. Utilizes existing air intake fixings. 48X8X14 24210
It also looks good!

http://landrover.niello.com/accessories/Land_Rover_LR3_G4_Edition_Raised_Air_Intake